Overview
Daily sleep variability is prevalent in the young populations, yet its effects remain less clear. The experimental study aims to examine the impacts of intraindividual daily sleep variability on sleep characteristics, cardiometabolic regulations and daytime functioning in college students.
Eligibility
Inclusion Criteria:
- Habitual sleep duration > 7 h/day.
Exclusion Criteria:
- Extreme morning- nor extreme evening-chronotype
- With sleep problems
- With mood and anxiety problems
- With excessive daytime sleepiness
- Have history of any chronic medical condition and on regular medication.