Different links between weekly and seasonal changes in sleep and blood sugar levels over one year in Chinese adults

Annualized social jetlag and seasonal sleep variability are assessed for their impact on fasting blood glucose changes over one year.

• Social jetlag is linked to poorer glycemic control, indicating its potential metabolic relevance.
• The study explores how seasonal fluctuations in sleep patterns may influence glucose metabolism.
• A longitudinal analysis is conducted to evaluate the connections between sleep variability and fasting blood glucose levels.
• The relationship between seasonal sleep variability and metabolic health is not yet fully understood.

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