Sleep hygiene is the set of daily habits that determine how easily you fall asleep and how restorative the sleep is. None of them work in isolation; together they compound.
Consistent sleep and wake times (even weekends), 30 minutes of bright light within an hour of waking, no caffeine after 2 PM, screens off 60 minutes before bed, bedroom temperature 60–67°F, blackout-dark room, and no alcohol within three hours of bed.
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