How sleep timing, eating habits, and diet differ between workdays and days off

Later chronotype was associated with later first eating occasion (FEO) and last eating occasion (LEO) on work-free days.

• Later chronotype correlated with a later FEO on work-free days (r = 0.45, p = 0.004).
• A strong correlation was found between later chronotype and later LEO on both work-free days (r = 0.60, p < 0.001) and workdays (r = 0.61, p < 0.001).
• Participants with later chronotypes had longer durations of eating windows on workdays (r = 0.37, p = 0.024).
• A later FEO was linked to a higher percentage of energy from fat (r = 0.39, p = 0.043) and lower fiber intake (r = -0.69, p < 0.001) on workdays.
• Differences in eating patterns and diet composition were noted between workdays and work-free days.

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