REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Navigating bedtime with a teenager is, in many homes, a nightly battle with a constant refrain: Get off your phone! Go to bed ...

While it may seem counterintuitive, wearing socks could help lower core body temperature, promoting sleep, experts said.

While melatonin supplements are popular, it's not always clear how much melatonin you should take. Here's what doctors ...

Coziness over sex appeal, says a sleep specialist to the 32% of American adults who have trouble getting a good night’s sleep ...

Waking up congested, itchy, and unrested? You’re not imagining it. Allergy season is longer, stronger, and tougher on your ...

Part of cortisol's impact is mediating the stress response — that fight-or-flight instinct that allows you to deal with ...

Sleep is an essential biological process known to contribute to both mental and physical health. In addition to supporting ...

For seven days, they recorded their diet against objective sleep parameters. The study concluded that a 6% rise in protein ...

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

A new study of nearly 15,000 people found that the window of late-night workouts in which sleep is then impacted is actually ...

Eating late at night, melatonin gummies, sleepy girl mocktails, late-night stretches, reading a book, white noise and long ...