A Complete Guide to Sleep While Traveling: Hotels, First Night Effect, Jet Lag – How to Sleep Well Anywhere

When on a business trip, even if the mattress is just the right firmness, you toss and turn until the early morning, wide awake; after a long-haul flight of more than ten hours, you’re so sleepy during the day that you can barely hold your head up, but at night you’re wide awake, counting sheep until dawn while staring at the ceiling; even on a weekend short trip, after moving into a unfamiliar homestay, you always sleep restlessly for the first day or two. When you wake up, you’re exhausted, and your interest in traveling is greatly reduced……

These frustrating experiences are an unavoidable “curse” for almost everyone who travels frequently. You might complain about the uncomfortable pillow or the unfamiliar environment in the hotel, but few people know that behind all this, there is a common neuroscientific secret – when you are in an unfamiliar sleeping environment, your brain never truly “relaxes its vigilance”; instead, it quietly activates a “half-brain alert” mode, resting while keeping watch for you.

Understanding this mechanism hidden in your body is equivalent to holding the “master key” to sleeping well while traveling. This article will provide you with a complete, scientific, and actionable solution to sleep during travel, covering everything from the first night in a hotel, to the jet lag dilemma when crossing time zones, and the specific troubles of frequent business travelers, allowing you to get a good night’s sleep no matter where you are.

I. The First Night Effect: Why Do You Always Feel Like You “Pulled an All-Nighter” When Sleeping in a New Place?

1.1 The “Alert Instinct” Engraved in Your Genes – It’s Not That You’re “Picky About Beds”

You must have had this experience: staying in a five-star hotel on a business trip, with soft bedding and a quiet environment, but you just can’t fall asleep. You wake up easily at the slightest movement in the middle of the night, and in the morning, you’re not rested at all – in fact, you feel worse than if you had pulled an all-nighter. Many people laugh at themselves for being “too picky about beds”, but in reality, this is not your fault; it’s a normal phenomenon clearly defined by sleep science – the “First Night Effect”.

From an evolutionary psychology perspective, behind this “bed pickiness” is the survival wisdom left to us by our ancestors. In ancient times, humans had no fixed residences and often had to spend nights in unfamiliar wilderness, where dangers such as predators and harsh weather could appear at any time. To survive, our ancestors gradually evolved the ability of “unilateral hemispheric sleep” – that is, one hemisphere of the brain enters deep sleep, while the other remains in a semi-awake state, constantly monitoring the surrounding environment. Once an abnormality is detected, they can wake up immediately to avoid danger.

This mechanism was a life-saving “hard skill” in ancient times, but in modern travel, it has become a “minor trouble” affecting our sleep quality. It means that as long as you are in an unfamiliar environment, your sleep efficiency on the first night will definitely decrease significantly. No matter how comfortable the environment is, your brain will subconsciously “keep an eye out” and cannot fully relax into deep sleep. It’s like sleeping in an unfamiliar room – even with your eyes closed, you can faintly hear the footsteps in the corridor and the traffic outside the window. These are the traces of your brain’s “alert mode” working quietly.

1.2 Scientific Evidence: Your Left Brain is Quietly “Keeping Watch” on the First Night

This “half-brain alert” mode is not a guess; it has been confirmed by scientists at Brown University through rigorous experiments. The research team invited several healthy volunteers to sleep in different rooms of a sleep laboratory for two consecutive nights, while using technologies such as fMRI (functional magnetic resonance imaging) and MEG (magnetoencephalography) to real-time monitor their brain activity, focusing on slow-wave activity (SWA), which reflects sleep depth.

The experimental results were straightforward: when the volunteers slept on the first night, the slow-wave activity of the left and right brain hemispheres showed obvious asymmetry – the intensity of slow-wave activity in the left brain was significantly lower than that in the right brain, meaning that the left brain’s sleep depth was lighter than the right brain, in a “semi-awake” alert state. More interestingly, when the researchers played slight abnormal sounds during the experiment, the amplitude response of the left brain was significantly more intense, making it easier to wake up; on the second night, the volunteers had adapted to the environment, the slow-wave activity of the left and right brain hemispheres became symmetrical, both sides of the brain could smoothly enter deep sleep, and the response to abnormal sounds was significantly weakened.

The research results published by the team in the journal Current Biology clearly point out: on the first night in an unfamiliar environment, the human brain automatically activates the “night watchman” mode, and the left brain is precisely the main executor of this “night watchman”. As for why the left brain is responsible for vigilance, there is no conclusion yet. Some scientists speculate that it may be because the functional connections between different regions of the left brain are closer, making it more suitable for performing monitoring tasks. It is also possible that in the subsequent sleep cycles, the right brain will take over the “night watch” work from the left brain, allowing the left brain to rest.

1.3 These People Are More Prone to Being Troubled by the “First Night Effect”

Although the first night effect is a common phenomenon, the degree of feeling varies greatly from person to person. According to sleep research data, the following groups of people are more likely to be affected, and may even experience poor sleep for two or three consecutive nights:

Anxious personality: People with anxious personalities are naturally prone to feeling nervous and uneasy about unfamiliar environments. Their brain’s alert threshold is lower, and even slight movements can trigger an alert response, making it difficult to fall asleep.
Highly Sensitive People (HSP): This group of people is very sensitive to subtle changes in the environment. Whether it’s the texture of the pillow, the smell of the room, or the light outside the window, it may become a factor affecting sleep, and they need more time to adapt to unfamiliar environments.
“Severely bed-picky” people: These people are extremely dependent on a familiar sleeping environment. Once they are separated from their familiar pillow, quilt, or even familiar smell, their brain will immediately enter an alert state, and their sleep quality will drop sharply.
People who are used to fixed hotels: If you usually stay in the same brand and style of hotel, your body and brain have formed a fixed adaptation mode. Once you suddenly change the hotel brand or room style, it will be like “suddenly entering a different world”, and the first night effect will become more obvious.

However, there is no need to worry too much. The good news is that most people will fully adapt to the unfamiliar environment on the second or third night, the brain’s “alert mode” will automatically turn off, and sleep quality will return to normal. For frequent business travelers, because they are frequently exposed to unfamiliar environments, their bodies will gradually form the ability to “adapt quickly”, and this adaptation period is usually shortened to 1-2 nights.

II. Hotel Sleep Optimization: Transform an Unfamiliar Room into Your “Exclusive Bedroom” in 3 Minutes

Hotels are the most common sleep scenario during travel and business trips. Although we cannot change the hardware of the room, as long as we master some small skills, we can quickly optimize the sleep environment, reduce the impact of the first night effect, and make the unfamiliar hotel room a “temporary bedroom” where you can sleep at ease.

2.1 Mattress Transformation: Focus on the “Pillow” – Get Rid of “Waking Up Tired”

The core reason why many people sleep poorly in hotels actually lies in the pillow – most hotel pillows are either too soft or too hard, very different from the pillows they use at home for a long time. After sleeping for one night, you may have a stiff neck, dizziness, and even stiff neck. In fact, with a simple adjustment, you can make the hotel pillow “adapt” to your sleeping habits:

Take the initiative to “choose a pillow”: Most chain hotels (such as Marriott, Hilton, Home Inn, etc.) provide a “pillow selection service”. You can directly ask the front desk when checking in to choose a hard pillow, soft pillow, or even a buckwheat pillow or memory pillow. Don’t be embarrassed; this is a regular hotel service and the most direct way to improve sleep quality.
DIY adjust the height: If the hotel does not offer pillow selection, you can use the bath towels or towels in the room to modify it – fold the towel to a suitable thickness and place it under the pillow. This can not only adjust the height of the pillow but also increase neck support, avoiding sleep discomfort caused by a pillow that is too high or too low.
Emergency alternative: If the pillow is really bad or even smelly, you can directly use a folded towel or bath towel under your neck as a temporary pillow. Although it is not as comfortable as a professional pillow, it can minimize neck pressure and avoid sleep problems caused by the pillow.

In addition to the pillow, the firmness of the mattress also affects the sleep experience. Most hotel mattresses tend to be relatively hard to adapt to different people. If you are used to sleeping on a soft bed, you can try these two small tricks: flip the duvet on the mattress (most duvets are soft on one side and hard on the other), or fold the quilt and place it under your waist and abdomen to increase the softness and support of the mattress, making your body more fit the mattress and reducing the number of times you toss and turn.

In addition, for friends who pay attention to cleanliness, it is recommended to bring a lightweight dirty-proof sleeping bag (only the size of a palm when stored, not taking up luggage space) and spread it on the hotel bed sheet. It can not only isolate bacteria and dust on the bed sheet but also bring a familiar skin-friendly touch, making the brain feel “safe” and indirectly reducing the alert response. If you don’t have a dirty-proof sleeping bag, you can also bring your own pillowcase from home. The familiar smell can help the brain relax and relieve the discomfort caused by “being picky about beds”.

2.2 Temperature and Ventilation: 18-20℃ is the “Golden Temperature” for Sleep

The temperature of hotel rooms is usually controlled by central air conditioning, which is either too cold (especially in summer, when the air conditioning temperature is set too low) or too hot (when the heating is too strong in winter). Unsuitable temperature is one of the important factors affecting sleep. According to sleep medicine research, the most suitable temperature for human sleep is 18-20℃. At this temperature, the body’s metabolism slows down, making it easier to enter deep sleep, and it can also reduce the number of times you wake up at night due to too high or too low temperature.

To solve the problem of hotel temperature, you can try these strategies:

Adjust the temperature in advance: After checking in, do not wait until bedtime to turn on the air conditioning. It is recommended to set the air conditioning to 18-20℃ 2 hours in advance, allowing the room temperature to slowly drop to a suitable range, avoiding that the temperature is too high or too low before bedtime, making it difficult for the body to adapt.
Flexible ventilation: If the room temperature is too high and the environment outside the window is safe, you can open the window for ventilation for 10-15 minutes, which can not only lower the temperature but also replace the air in the room, reducing stuffiness; if the outside noise is loud or unsafe, close the window and rely on air conditioning to adjust the temperature. At the same time, you can set the air conditioning fan speed to the lowest to avoid air conditioning noise affecting sleep.
Add or remove bedding: If the room temperature is too low, do not endure it. You can ask the front desk for an extra blanket, fold the quilt and blanket together, and focus on keeping your abdomen and neck warm to avoid waking up cold at night; if the temperature is too high, you can change to a thin quilt or only cover a corner of the quilt to keep your body comfortable.

2.3 Light Control: A “Completely Dark Environment” is an “Accelerator” for Falling Asleep

The light sources in hotel rooms are much more complex than at home – corridor sensor lights, street lights outside the window, alarm clock displays, TV standby lights, and even plug indicator lights. These faint lights, although seemingly insignificant, will inhibit the secretion of melatonin in the body, making the brain think that “it’s not time to sleep yet”, thus making it difficult to fall asleep and even affecting sleep depth.

Creating a completely dark environment suitable for sleep is actually very simple. These small methods can be easily done:

Necessary 3D stereo eye mask: It is recommended to bring a 3D stereo eye mask with you every time you travel. This kind of eye mask does not press the eyes or pinch the ears, can completely block eye light, and is much more comfortable than the disposable eye masks provided by hotels. Moreover, the familiar touch of the eye mask can also help the brain quickly enter the “sleep mode”.
Cover all light sources: Use towels and clothes in the room to cover all faint light sources such as the alarm clock display, TV standby light, and plug indicator light. Especially the alarm clock, try to place it away from the bedside to avoid light directly shining on the eyes, and at the same time reduce the interference of the alarm clock’s ticking sound.
Block curtain gaps: Many hotel curtains have gaps, and street lights and car lights outside the window will shine into the room through the gaps, affecting sleep. You can fold a bath towel or towel and stuff it into the curtain gap to completely block external light and create a completely dark sleep environment. If the curtain’s light-shielding effect is too poor, you can also ask the front desk for blackout curtains, which most hotels will provide.

2.4 Sound Management: Isolate Noise for More Stable Sleep

The noise problem in hotels is a “disaster area” for many people who sleep poorly in hotels – footsteps in the corridor, talking from adjacent rooms, air conditioning operation sound, elevator ding-dong sound, and even traffic outside the window can wake you up at night and disrupt the continuity of sleep. To isolate these noises, you can actually take two steps: “active avoidance” + “passive noise reduction”.

Active avoidance of noise sources: When checking in, try to ask the front desk for a room “far from elevators, stairs, and corridor ends”, where the noise is usually less; if the room is near noisy areas such as roads and vegetable markets, you can ask for a room change or close the window to reduce the interference of external noise.
Passive noise reduction: Bring a pair of comfortable noise-canceling earplugs (recommended foam + silicone combination; foam earplugs have good sound insulation effect, and silicone earplugs can be reused, suitable for different scenarios). Put them on before going to bed to effectively isolate most high-frequency noises; if you forget to bring earplugs, you can download a white noise app in advance (such as Slumber Copilot, Noisli, myNoise), and play white noises such as rain, waves, and forest birdsong before going to bed. Use uniform sound to cover external noises, help the brain relax, and fall asleep quickly. In addition, you can also tune the TV or radio to static noise without channels, which has a similar effect to white noise, suitable for situations where you have no data or do not want to use your mobile phone.

III. Jet Lag: How to Quickly “Reset” to Normal Sleep After Crossing Time Zones?

For people on long-distance travel or cross-time zone business trips, jet lag is more troublesome than sleeping poorly in hotels – you’re so sleepy during the day that you’re drowsy, can’t concentrate during meetings or activities, but you’re wide awake at night and can’t fall asleep at all. This “day and night reversal” state often lasts for several days, seriously affecting travel experience and work efficiency. In fact, the core of jet lag is to make the body’s “biological clock” quickly adapt to the new time zone. As long as you master the correct methods, you can greatly shorten the adaptation time.

3.1 The Truth Behind Jet Lag: Melatonin “Loses Its Rhythm”

There is an “invisible clock” in our body – the circadian rhythm, which is controlled by the pineal gland in the brain and regulates the sleep-wake cycle through the secretion of melatonin: during the day, the pineal gland secretes very little melatonin, and we stay awake; at night, melatonin secretion increases, making us feel sleepy and thus entering sleep.

When you cross different time zones, the body’s circadian rhythm will be “out of sync” with the local time – this is “Jet Lag Disorder”. The core problem is that your body is still stuck in the time of the departure place. When it is night local time and you should be asleep, the melatonin in your body may not have started to secrete yet, so you have no sleepiness at all; when it is early morning local time and you should be sound asleep, the effect of melatonin has faded, so you wake up early and can hardly fall asleep again.

Jet lag brings not only sleep problems but also a series of chain reactions, such as daytime sleepiness, lack of energy, decreased attention, mood swings, and even digestive system disorders, such as loss of appetite, bloating, and constipation. The duration of these symptoms usually depends on the number of time zones you cross – the more time zones you cross, the longer the adaptation time.

3.2 Flying East vs. Flying West: Jet Lag Difficulty is Really Different

Many people have this experience: crossing 6 time zones, jet lag is much more difficult when flying from Beijing to Tokyo (eastward) than from Beijing to New York (westward). This is not an illusion; it is because flying eastward and westward have different effects on the biological clock, and the difficulty of adjustment is also significantly different.

Flying eastward (e.g., Beijing → Tokyo, Beijing → Bangkok): More difficult to adjust. Because flying eastward is equivalent to “shortening” a day. For example, flying from Beijing to Tokyo has a 1-hour time difference. You need to go to bed 1 hour earlier and get up 1 hour earlier than usual, but the brain’s biological clock is difficult to “advance”. This “forced early sleep” adjustment is much more difficult than “delaying sleep”, and many people will have trouble falling asleep for several consecutive nights.
Flying westward (e.g., Beijing → New York, Beijing → London): Relatively easier. Because flying westward is equivalent to “extending” a day. For example, flying from Beijing to New York has a 13-hour time difference. You can go to bed 13 hours later than usual, which is in line with most people’s natural tendency to “stay up late”. The brain’s biological clock is easier to adapt, and the adjustment period will be shorter.

Here is a simple rule of thumb: for each time zone crossed, the body takes about 1 day to adapt. For example, crossing 8 time zones may take about a week to fully adapt; while crossing less than 3 time zones, most people can adapt within 2-3 days. Of course, this time also varies from person to person – young people and frequent cross-time zone travelers adapt faster; while the elderly and people with weak physical fitness adapt relatively slower.

3.3 3 Core Strategies for Jet Lag – Easy to Implement

The key to jet lag is not to “endure it”, but to use scientific methods to actively adjust the body’s biological clock to make it quickly adapt to the new time zone. The following 3 core strategies, combined with the research results of sleep medicine, are simple and easy to operate. Whether you are traveling or on a business trip, they can help you quickly get over jet lag and get rid of the trouble of “sleeping during the day and being awake at night”.

① Light Exposure: The Most Effective and Natural “Biological Clock Regulator”

Light is the most powerful tool for adjusting the circadian rhythm, bar none. Because light directly affects the secretion of melatonin by the pineal gland – strong light inhibits melatonin secretion, keeping us awake; weak light or darkness promotes melatonin secretion, making us feel sleepy. Using this principle, we can quickly adjust the biological clock by “controlling the time of light exposure”. The specific operations are as follows:

Adjust your schedule in advance 2-3 days before the flight: If you are flying eastward (need to go to bed early), go to bed 1-2 hours earlier and get up 1-2 hours earlier every day; if you are flying westward (need to delay sleep), go to bed 1-2 hours later and get up 1-2 hours later every day. Let your body adapt to the new schedule in advance to reduce the adjustment pressure after landing.
“Chase the light” immediately after landing: After landing, do not rest according to the time of the departure place, but switch to local time immediately – if it is daytime locally, stay outdoors as much as possible, soak up the sun, and receive strong light exposure to inhibit melatonin secretion, keep the body awake, and quickly adapt to the local daytime rhythm; if it is night locally, stay indoors as much as possible, avoid bright light (especially the blue light from mobile phones and computer screens), create a dark environment, promote melatonin secretion, and help fall asleep.
Avoid long naps during the day: On the first day after landing, no matter how sleepy you are, do not nap for more than 30 minutes, otherwise it will further disrupt the biological clock and prolong jet lag; if you are really too sleepy to hold on, you can take a 15-20 minute nap to temporarily relieve fatigue.

② Melatonin Supplementation: Auxiliary Adjustment, Use as Needed

Melatonin is a natural hormone. Appropriate supplementation of exogenous melatonin can help adjust the sleep phase and make the body adapt to the new time zone faster. However, it should be noted that melatonin is not a “sleeping pill” and cannot be abused. To achieve the effect and avoid side effects, you must master the correct taking method.

According to the recommendations of the Shanghai Municipal Health Commission, for people crossing more than 5 time zones, taking melatonin (dose 0.5-5mg) 2-3 hours before bedtime at the target time can help reset the biological clock and relieve jet lag symptoms. The specific taking skills are as follows:

Choosing the right time is important: Taking it too early will cause daytime sleepiness and poor concentration; taking it too late may be ineffective and unable to help fall asleep. It is recommended to take it 2-3 hours before bedtime according to local time. For example, if you go to bed at 23:00 local time, you can take it between 20:00-21:00.
Start with a low dose: The MT1 and MT2 receptors of melatonin are prone to “desensitization”. Taking a high dose may reduce the effect and may also cause side effects such as headaches and dizziness. It is recommended to start with a low dose (0.5mg), and gradually increase the dose if the effect is not good. Do not exceed 5mg.
Forbidden for special groups: Pregnant women, lactating women, people with autoimmune diseases, depression patients, and children should not take melatonin; if you are taking other drugs, it is recommended to consult a doctor before use.

In addition, in addition to supplementing exogenous melatonin, we can also promote the secretion of endogenous melatonin through some methods, such as avoiding looking at blue light devices such as mobile phones and computers before going to bed, creating a dark and quiet sleep environment, and maintaining a regular schedule. These can help the body secrete melatonin naturally and speed up the adjustment of the biological clock.

③ Preparation During the Flight: Warm Up in Advance to Reduce Discomfort After Landing

The preparation for jet lag actually starts from the moment you board the plane. Making good preparations during the flight can reduce the difficulty of adjustment after landing and make the body adapt to the new time zone faster:

Choose the right flight: Try to choose a flight that arrives in the afternoon or evening, avoiding early morning arrival – if you arrive early in the morning, the local time is still very early, and your body is still in the sleep state of the departure place, which is prone to the situation of “sleeping during the day and being awake at night”; arriving in the afternoon or evening allows you to go to bed directly according to local time after landing, making it easier to adjust the biological clock.
Adjust your schedule during the flight: After boarding the plane, immediately adjust the time on your watch and mobile phone to the destination time, then follow the local time schedule – if it is night local time, try to close your eyes and rest; even if you can’t sleep, do not look at your mobile phone or computer, keeping your body in a “rest state”; if it is daytime local time, stay awake, move your body appropriately, and avoid falling asleep.
Pay attention to diet and hydration: Drink plenty of water during the flight to avoid dehydration (the dry environment on the plane is prone to dehydration, and dehydration will aggravate jet lag); at the same time, avoid drinking alcohol and caffeine – although alcohol can make you fall asleep quickly, it will disrupt deep sleep, leading to waking up in the middle of the night and aggravating sleep disorders; caffeine will inhibit melatonin secretion, keeping the brain awake and affecting rest during the flight.
Relax your body: Wear comfortable and loose clothes. During the flight, get up and move around every 1-2 hours, do some leg stretches. This can not only relieve the fatigue of sitting for a long time but also prevent blood clots, and at the same time help the body adapt to the new schedule.

IV. Long-Term Sleep Strategies for Business Travelers: Get Rid of “Sleep Debt” and Be More Energetic on Business Trips

For frequent business travelers, the troubles of sleep during travel are not only the “first night effect” and jet lag but also the more terrible accumulation of “sleep debt” – every time you sleep poorly on a business trip, you are “owing sleep”. In the long run, it will not only affect work efficiency but also damage physical health. Therefore, business travelers need a long-term and systematic sleep strategy that can not only cope with the challenges of frequent business trips but also avoid the accumulation of sleep debt.

4.1 Frequent Business Travelers: Cope with the “First Night Effect” and Create a “Mobile Sleep Ritual”

Frequent business travelers experience the first night effect every time they arrive in a new city or hotel. Their sleep quality fluctuates, and sleep debt continues to increase. To solve this problem, the key is not to “adapt”, but to “create a sense of familiarity”, so that the brain can feel “safe” even in an unfamiliar environment, thereby reducing the alert response.

Here is a systematic solution suitable for frequent business travelers, simple and easy to adhere to:

Create a dedicated “sleep ritual kit”: Bring fixed sleep supplies with you every time you go on a business trip to create a “mobile sleep symbol”, so that the brain knows “it’s time to sleep” as soon as it sees these items. It is recommended to include: a familiar 3D eye mask, a pair of noise-canceling earplugs, a pair of old socks (the familiar touch can trigger a relaxation reflex), a tea bag or coffee bag you usually drink (making a familiar drink in the hotel can bring a sense of home). If space permits, you can also bring your own pillowcase. The familiar smell can effectively relieve the “bed-picky” mood.
Maintain a fixed pre-sleep routine: No matter which city or hotel you are in, keep the “sleep ritual” of the 30 minutes before bedtime consistent, so that the body and brain form a conditioned reflex. For example: take a shower 10 minutes before bedtime (with familiar body wash) → organize clothes and work documents for the next day → read a paper book for 10 minutes (do not look at mobile phones or computers) → drink a cup of warm tea → turn off the lights, put on the eye mask, and insert the earplugs. A fixed routine can help the brain quickly enter the “sleep mode” and reduce the anxiety caused by the unfamiliar environment.
Prioritize “anchor sleep”: During business trips, there will inevitably be dinners and overtime, but try not to completely disrupt the schedule. Instead, set an “anchor sleep” – a fixed time period to go to bed and get up every day (such as 23:00-7:00 every day). Even if you stay up late for a dinner the night before, try not to sleep in the next day, and get up at most 30 minutes later than usual to avoid complete disruption of the biological clock; if you don’t sleep well the night before, you can take a 15-20 minute nap at noon the next day to make up for sleep, instead of staying up late to make up for it at night.

4.2 Long-Term Cross-Time Zone Business Trips: Establish a “New Base” to Avoid Repeated Disruption of the Biological Clock

For business travelers who need to be stationed abroad for a long time or frequently work across multiple time zones (such as media workers, diplomats, and multinational company employees), jet lag is more difficult – just after adapting to one time zone, they have to fly to another, leading to repeated disruption of the biological clock and difficulty in ensuring sleep quality. For this situation, the core strategy is to “establish a new schedule anchor” to make the body adapt to the new time zone as soon as possible and avoid repeated adjustments.

Set a “transition period”: After arriving in a new time zone, do not rush to switch to the local work rhythm immediately. Instead, set a transition period of about 1 week. During this period, adjust the schedule gradually every day, such as going to bed/waking up 30 minutes earlier or later every day, gradually approaching the local schedule, allowing the body to adapt slowly and reducing the discomfort caused by jet lag.
Find a “schedule anchor”: In the new time zone, find a “anchor” that allows you to maintain a regular schedule, such as fixed working hours, fixed meal times, and fixed exercise times. For example, get up at 8:00 every morning, have breakfast at 8:30, start working at 9:00, and go to bed at 23:00 every night. No matter how poorly you sleep the night before, try to maintain this rhythm to make the body form a new circadian rhythm.
Retain the “core schedule”: If you frequently switch between multiple time zones, you can retain a “core schedule” similar to that of your departure place. For example, people departing from Beijing are used to sleeping from 23:00 to 7:00. After arriving in a new time zone, try to maintain this schedule (such as 10:00-6:00 local time, corresponding to 23:00-7:00 Beijing time) to avoid repeated switching of the biological clock and reduce sleep disorders.

4.3 Repaying Sleep Debt: Make Up for Sleep in the “Right Way”, Not by “Sleeping In”

For frequent business travelers, sleep debt is almost inevitable – every time you sleep poorly on a business trip, you owe a little “sleep debt”. But many people have a misunderstanding: they think that sleeping in on weekends can make up for the lost sleep. In fact, this approach is not only ineffective but also further disrupts the biological clock, forming new sleep disorders.

Sleep medicine research shows that the key to repaying sleep debt lies in “regularity”, not “duration”. The following are the correct repayment methods suitable for frequent business travelers:

“Regular sleep make-up” between business trips: During the interval between two business trips, set a fixed bedtime and wake-up time. Even if you only sleep 1-2 hours more than usual every day, keep it regular. For example, go to bed at 22:30 and get up at 7:00 every day, allowing the body to gradually repay the sleep debt, instead of sleeping until noon on weekends and disrupting the biological clock.
“Moderate sleep make-up” during business trips: If you are particularly tired on a business trip and did not sleep well the night before, you can go to bed 1 hour earlier the next day, but do not change the wake-up time (for example, get up at 7:00 as usual, and go to bed at 22:00 the night before instead of 23:00). This can not only make up for sleep but also not disrupt the schedule rhythm.
Adhere to “average sleep duration” in the long term: Do not pursue “occasionally sleeping 12 hours”, but maintain an average of 7-9 hours of sleep per day in the long term. For example, within a week, sleep 6 hours for 2 days and 8 hours for 5 days, with an average of 7.7 hours per day. This sleep rhythm is more conducive to physical recovery than occasionally sleeping 12 hours and only 5-6 hours usually, and can also effectively avoid the accumulation of sleep debt.
Avoid “caffeine dependence”: Many business travelers use coffee and strong tea to cover up sleepiness and relieve fatigue caused by lack of sleep, but this is only “treating the symptoms but not the root cause” – caffeine can only temporarily keep the brain awake, but cannot really make up for sleep. Long-term dependence will also aggravate sleep disorders and make sleep debt more and more. It is recommended to minimize caffeine intake, especially in the afternoon and evening, to avoid affecting nighttime sleep.

V. Sleep Solutions for Special Scenarios: Sleep Well No Matter Where You Are

In addition to hotels and cross-time zone flights, you will encounter various special sleep scenarios during travel, such as hard sleeper trains, napping in the car, and camping in the wild. The sleep conditions in these scenarios are worse. To sleep well, you need targeted skills. The following are sleep solutions for these 3 common special scenarios, simple and practical, helping you get high-quality rest in various environments.

5.1 Hard Sleeper/Train Sleep: Sleep Soundly Even in a Shaking Environment

Hard sleeper trains have small space, loud noise, mixed light, and constant shaking, making it really difficult to sleep well. But as long as you do these things, you can effectively improve sleep quality and avoid being exhausted after getting off the train:

Necessary “sleep three-piece set”: Inflatable U-shaped pillow, 3D stereo eye mask, and noise-canceling earplugs. These three items can effectively solve the three major problems on the train: “neck discomfort, light interference, and noise interference” – the U-shaped pillow can support the neck, avoiding neck soreness when shaking; the eye mask blocks light, and the earplugs isolate the train’s roar and passengers’ talking.
Keep your body warm and comfortable: Wear loose and comfortable clothes, bring a pair of elastic socks to reduce the coolness brought by the train’s air conditioning, and at the same time reduce foot swelling (sitting for a long time will lead to poor blood circulation in the feet); if you feel the mattress is too hard, you can fold your own coat or scarf and place it under your body or waist to increase comfort.
Adjust your schedule to avoid staying up late: Try not to drink caffeinated drinks before getting on the train to avoid being overly excited and unable to fall asleep after getting on the train; if it is a long-distance train, stay awake as much as possible during the day, read a book or chat, and lie down when you start to feel sleepy at dusk. This can reduce the number of times you wake up at night; avoid drinking alcohol before getting off the train, as alcohol will aggravate sleep disorders and may cause headaches and fatigue after getting off the train.

5.2 Napping in the Car: Safety First, Efficient Sleep Make-Up

During self-driving travel, you will inevitably encounter fatigue driving. At this time, taking a nap in the car can effectively relieve fatigue and ensure driving safety. But there are many precautions for napping in the car – you need to sleep well and ensure safety:

Choose a safe location: When taking a nap, you must park the car in a safe place, such as a service area or a regular parking lot. Do not park on the roadside or in remote areas to avoid danger; after parking, pull the handbrake, close the windows (leave a small gap for ventilation), and do not keep the air conditioning idling for a long time to avoid carbon monoxide poisoning.
Control the nap duration: The purpose of napping in the car is to “relieve fatigue”, not “deep sleep”. It is recommended to control the nap time within 30 minutes, preferably 15-20 minutes. If you nap for too long, you will experience “sleep inertia” when woken up from deep sleep, which will make you more tired and affect subsequent driving.
Create a comfortable environment: Bring an eye mask and earplugs to block external light and noise; adjust the seat to a comfortable angle (do not lie completely flat to avoid head shaking), and you can place a U-shaped pillow under your neck to increase comfort; if the weather is cold, cover yourself with a coat to avoid catching cold.

5.3 Camping in the Wild: Sleep Peacefully in Nature

The sleep environment for camping in the wild is more complex, with not only external noise and light but also anxiety caused by the unfamiliar environment. To sleep well, the key is to “create a sense of familiarity” and “do a good job in protection”:

Bring familiar sleep supplies: Carry your familiar sleeping bag or blanket. The familiar smell can trigger a relaxation reflex, make the brain feel safe, and reduce the alert response caused by the unfamiliar environment; at the same time, bring an eye mask and earplugs to isolate external noise (such as insect sounds and wind) and light (such as moonlight and campsite lights).
Do a good job in campsite protection: When setting up a tent, try to choose a flat, quiet, and safe place, away from rivers, steep slopes, and wind gaps; the tent door should face a safe direction, zip up the tent, and take measures to prevent mosquitoes and small animals to avoid being bitten by mosquitoes or disturbed by small animals at night.
Adapt in advance and proceed step by step: If you are camping for the first time, do not go directly to the remote wild. You can start with a suburban campsite to let your body and brain gradually adapt to the wild sleep environment, and then gradually challenge more remote campsites; before going to bed, you can chat with your companions or listen to soothing music to relieve tension and help fall asleep.

VI. Summary: Master These 3 Cores to Sleep Well Anywhere

3 Core Conclusions You Need to Remember About Sleep While Traveling

The first night effect is a normal phenomenon, not that you are “picky about beds”, but the “alert instinct” left by the evolution of the brain – in an unfamiliar environment, the left brain will quietly “keep watch” in a semi-awake state, which usually disappears automatically on the second night. We can reduce its impact by bringing familiar sleep supplies, arranging the sleep environment in advance, and establishing a fixed pre-sleep ritual.
The core of jet lag is to “adjust the biological clock”, and light is the most effective tool – when flying eastward (shortening a day), you need to get up early to be exposed to strong light and adjust your schedule in advance; when flying westward (extending a day), you need to be exposed to strong light at night and delay your schedule. Melatonin supplementation, adjusting the schedule during the flight, and choosing the right flight are all effective auxiliary methods, which can be used as needed.
The key to business travel is to establish a “sleep system” rather than temporary coping – a fixed sleep ritual kit, a regular schedule anchor, and correct repayment of sleep debt are more effective than “enduring it” every time you go on a business trip. They can help you avoid the accumulation of sleep debt and be more energetic on business trips.

3 Things You Can Do Now to Quickly Improve Sleep While Traveling

Prepare tonight: If you are about to go on a business trip or travel, immediately organize a “sleep bag” containing an eye mask, earplugs, a familiar pillowcase, or a tea bag. In an unfamiliar environment, these familiar items can help you relax quickly and trigger sleep signals.
Plan this week: If you have an upcoming cross-time zone trip, start adjusting your schedule 2-3 days in advance – go to bed early and get up early if flying eastward, go to bed late and get up late if flying westward. After landing, eat and be exposed to sunlight according to local time immediately to make your body adapt to the new time zone quickly.
Adhere to it in the long term: If you travel frequently, set a “sleep anchor” for yourself – a fixed bedtime and wake-up time every day, which must be maintained even during business trips. This has a greater long-term impact on sleep quality than occasionally sleeping a few more hours, and can also help you get rid of the “curse of poor sleep while traveling”.

References

Tamaki, M. et al. First Night Effect. Current Biology, 2016. (Core research on the first night effect by Brown University, confirming the unilateral hemispheric alert mechanism)
Waterhouse, J. et al. Jet-lag. Lancet, 2000. (Research on the pathological mechanism and coping strategies of jet lag disorder)
Herxheimer, A. Jet lag. BMJ, 2014. (Clinical symptoms and intervention measures of jet lag)
Sack, R.L. Jet lag. N Engl J Med, 2012. (Research on the role of light in jet lag adjustment)
Lee, A. et al. Travel and sleep. Sleep Medicine Clinics, 2017. (Comprehensive intervention plan for travel sleep disorders)
Roach, G.D. & Dawson, D. Sleep in travel. Travel Medicine and Infectious Disease, 2012. (Research on sleep optimization in different travel scenarios)
Stricker, S. et al. Melatonin and jet lag. Sports Medicine, 2014. (Research on the application of melatonin in jet lag adjustment)
Shanghai Municipal Health Commission. Interpreting Melatonin. 2021. (Correct taking methods and precautions of melatonin)
Shaanxi Provincial Health Commission. Don’t Let Jet Lag Affect Your Sleep During the Spring Festival. 2025. (Practical skills for jet lag adjustment)
The Beijing News. Why Are Some People “Picky About Beds”? Half of the Brain is Keeping Watch! 2023. (Popular interpretation and research supplement of the first night effect)

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