Your sleep cycle includes light, slow-wave, deep, and REM sleep, which repeat throughout the night. To get restful sleep, you need to spend the right amount of time in each stage of the sleep cycle.

If you use a sleep tracker at night, these are the three metrics you should be paying attention to in the morning.

Each sleep stage basically creates its own metabolic fingerprint. Light sleep, deep sleep, and REM phases don’t just feel different – they burn calories at completely different rates through totally ...

Worried your child isn't getting enough sleep? Here, an expert answers your questions on what a healthy sleep routine looks ...

Broadcast Retirement Network's Jeffrey Snyder discusses the impact of poor sleep on your daily mental health and cognition with Brienne Miner, MD, MHS, Yale School of Medicine. This morning on BRN, ...