We receive messages about the importance of sleep beginning in childhood. You may remember mandatory naps enforced by adults ...

How much sleep do teens need in the summer? Should parents wake up their teens at a semi-decent hour of the morning, or let them sleep? He ...

Who gets to sleep, and for how long, is a complex mix of biology, psychology and society. Here’s what we know so far.

As well as helping you feel less tired, there are plenty of benefits to napping. Just like getting a good night's sleep, ...

Sleeping on an unsupportive pillow or just getting poor quality sleep can cause you to wake up with a headache and carry that ...

This is a simple guideline that's easy to remember and usually easy to achieve. If you weigh 150 pounds, aim to drink 75 ...

Some people thrive on just four hours of sleep thanks to a rare genetic mutation. Could you be one of them? Discover the science behind short sleepers.

Yet greater awareness of sleep deprivation’s consequences hasn’t translated into a better-rested populace. Data from the CDC ...

I T IS HARD to overstate the importance of sleep. Regular hours of rest offer organisms of all sizes a chance to consolidate ...

We Asked an Expert Summer heat can easily dehydrate you. We spoke to a dietitian who explained how much water you really need, and how to drink enough each day.