Tired? You're not alone. New research documents a troubling sleep trend in the United States.

This may be the first video of cerebrospinal fluid waves flowing through a sleeping person's brain.

A sleepless night can trigger up to a 30% rise in anxiety levels. But there are several things you can do to get a deep night's sleep.

New findings on cellular sleep suggest it's not as harmless as once thought. Finding the "dimmer switch" could be a way to fight aging, say researchers.

BreathJunior uses a smart speaker to play white noise that reflects off a sleeping baby to monitor movement, breathing, and crying.

Children exposed to lead may have a harder time getting a good night's sleep, a new study suggests.

In this podcast episode, a sleep expert explains how you can tackle insomnia to get better shut eye and why 8 hours of sleep isn't right for everyone.

The brains of sea slugs suggest that food comas, or resting after eating a big meal, may be connected to long-term memory formation.

There's a simple way for people working intense jobs with longs hours to fight the worst effects of sleep deprivation: eating healthier food.

Researchers asked people to walk more, about a mile more every week over the course of a month. The findings suggest a way to improve sleep.