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

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 ...

If you often feel low on energy, one of the first things you should ask yourself is how much sleep you're getting. Good sleep ...

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

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, ...

It's easy to allow a healthy routine to slip when you're sleep deprived. However, if you can maintain a bedtime and wake up time, the regularity can result in better quality sleep (even if you ...