We have all had nightmares about waking up late and missing important deadlines! We rely on our alarm clocks and other ...

A vast majority of Americans wake up regularly during the night, according to a U.S. News survey. Sleep expert Wendy Troxel ...

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

I can't get out of bed in the morning!' If this sounds familiar, you're experiencing what experts call 'sleep inertia. ' Discover why your morning grogginess isn't a character flaw but a treatable ...

We can't talk about morning sunlight and improved sleep hygiene without first addressing our circadian rhythm. This is the body's 24-hour sleep-wake cycle. It naturally responds to light and darkness, ...

Krista Figari woke up in her Manhattan apartment and made her bed like she did every morning — then disaster struck.

According to PSQI ratings, participants who received 2 grams of Spirulina daily for 8 weeks experienced a significant ...

Done wisely, naps can be a valuable way to boost your focus and energy. A sleep researcher explains how to get it right.

A vet has warned dog owners not to wake their pet up if they see them looking uncomfortable as it may be part of their ...

After reading the comments, the owner has realized that there is a "universal" cat issue as other felines are doing the same.

Obstructive sleep apnea happens when a structural problem makes it hard for you to breathe while asleep, causing you to wake up frequently. Although it may not cause obvious symptoms, it can harm ...

The best sunrise alarm clocks help you wake up gently and start your day energized. See our top picks from Hatch, Philips, ...