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Detecting chronotype differences associated to latitude: a comparison between Horne--Östberg and Munich Chronotype questionnaires
Comparing two questionnaires to find how sleep timing types vary with latitude
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Abstract
Chronotype distributions differ between two Brazilian cities, with São Paulo showing a clear shift towards eveningness compared to Natal.
- Chronotype refers to the preference for performing activities during specific times of the day.
- Two questionnaires, Horne and Östberg (HO) and Munich Chronotype Questionnaire (MCTQ), were used to assess chronotypes among undergraduate students.
- MCTQ scores indicated a significant eveningness shift in São Paulo compared to Natal.
- HO scores from both cities showed overlapping distributions.
- Findings support the idea that geographical location, particularly distance from the equator, may influence sleep phase timing.
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