For many people, rest no longer marks the end of the day—it interrupts it. Work slows, notifications quiet, and the body ...

Experts urge you to establish a consistent sleep routine for improved health and longevity ...

When it comes to sleep, traditional advice has focused on the number of hours a person sleeps. But for older adults, the quality of sleep may affect cognitive performance the following day regardless ...

A quiet shift in your nightly routine could have surprising long-term effects on your body. New findings highlight this subtle habit that may influence more than just how rested you feel.

Getting enough sleep is key to warding off a host of health issues. While falling asleep fast is the goal for some, and staying asleep is the dream for others, it’s normal for your sleep to change ...

Waking up is hard enough. Waking up at the exact same time every day—even on weekends, when you could be luxuriating for another hour (or three) under the covers—can feel borderline unreasonable. Yet ...

If the words "military sleep method" send you running, you might be missing out on the best sleep of your life. This method could be your ticket to falling asleep more quickly (and staying asleep!), ...

The following story is excerpted from TIME’s special edition, The Science of Sleep, which is available at Amazon. Anyone who has nodded off on the subway, faked alertness in a meeting at work or ...