Differences between male and female university students in sleepiness, weekday sleep loss, and weekend sleep duration

Female students reported a lower subjective sleep quality score and higher excessive daytime sleepiness compared to male students.

• Female students had a higher morning sleepability score and lower nighttime and daytime wakeability scores than male students.
• The largest male-female difference in sleepiness was observed at sleep onset and offset times.
• On free days, female students reported longer sleep duration and earlier sleep onset compared to male students.
• The free-weekday difference in sleep duration was larger than in sleep onset.
• No significant male-female differences were found in weekly averaged sleep duration, weekday sleep duration, or social jetlag.

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