Research reveals a hidden genetic link that dictates exactly how your nighttime routine impacts your brain.

It's a science-backed way to strengthen weak muscles that can make it tough to breathe comfortably at night.

Sleep and the brain’s capacity to process stress and regulate emotion are deeply intertwined. Psychosocial and physiological stressors disrupt sleep ...

The author of Why We Sleep has suffered from insomnia himself, and swears by banishing blue light and a strict nightly ...

Sometimes sleep advice can feel like a lot of what not to do. Don’t drink coffee after 2 p.m. Avoid your phone for at least ...

Sleep is essential for brain function, cognitive performance, and memory consolidation, and these processes are closely shaped by endocrine signals. Among ...

Here’s what happens during each cycle—and why uninterrupted sleep matters.

Melatonin is a hormone made by the pineal gland, which is located in the middle of your brain. Melatonin encourages good, healthy sleep. Your melatonin levels naturally go up at night, a few hours ...

Hypnagogia refers to the transitional state of consciousness between wakefulness and sleep. It occurs when alpha waves, a type of electrical activity in the brain, decrease but a person hasn’t fully ...

Getting quality sleep is one of the best ways to maintain your health, but it also happens to be something many Americans have trouble with. Indeed, according to the National Heart, Lung, and Blood ...