DBAS-16Past 2 weeksAbout 3 minutes 👥 No usage yetSource: Morin CM, Vallières A, Ivers H (2007)

Dysfunctional Beliefs and Attitudes about Sleep Scale

DBAS-16 identifies distorted cognitions about sleep, insomnia, and its consequences. It contains 16 items with a total score of 0–160.

What this scale measuresThe DBAS-16 identifies dysfunctional beliefs about sleep, insomnia and its consequences—for example "I must sleep 8 hours," "insomnia will damage my health," or "only medication can fix my sleep." Recognizing and restructuring these beliefs is the heart of CBT-I, and this scale is a standard outcome measure for that treatment.
How to read your score
  • Normal/Mild0 – 47

    Your beliefs and attitudes about sleep are largely healthy.

  • Moderately Severe48 – 78

    Notable distorted cognitions about sleep are present; consider CBT-I.

  • Severe79 – 111

    Many unhelpful beliefs about sleep are seriously affecting your mood and sleep.

  • Severe112 – 160

    Many unhelpful beliefs about sleep are seriously affecting your mood and sleep.

These ranges are for screening reference only and cannot replace a professional diagnosis.

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Important: This result is for self-screening only

All scales on this site are publicly available academic screening tools, not medical devices, and do not constitute a clinical diagnosis. Results are affected by mood, routine, environment, and physical condition.

  • Scale results cannot be used as the sole basis for diagnosis, medication, treatment, or prescription.
  • Do not self-diagnose or self-medicate based solely on scale scores.
  • If you have physical, mental, sleep, or emotional concerns, please consult a qualified healthcare provider.

Users assume full responsibility for any medical or wellness decisions based on these results.