For children ages 5-11, between 9 to 11 hours of sleep is necessary every night, according to a study by raisingchildren.net. So if your kid gets up for school around 7 in the morning, bedtime should ...

Here’s why sufficient sleep matters, how much you really need and some evidence-based support for better rest.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Sleep may be the foundation of health, but there’s a lot of confusion around it. How much to get? How to ...