Toward a Classification of Chronotype Questionnaires

Jun 5, 2026Nature and science of sleep

Classifying Questionnaires That Measure Sleep and Activity Timing

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Abstract

Of 75 identified chronotype questionnaires, 60 were designed solely for chronotype assessment.

  • Chronotyping assesses individual differences in adapting to daily geophysical and social cycles.
  • A total of 75 chronotype questionnaires were identified through a systematic search.
  • Questionnaires were classified based on 20 proposed properties to facilitate comparison.
  • 15 questionnaires were designed for assessing chronotype alongside other factors.
  • This classification system may assist in selecting the most suitable questionnaire for specific research needs.

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