"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all could probably use a little more energy these days, right? Maybe you’re managing a busy job, ...

It's a commonly held belief that before artificial lighting, human sleep was 'naturally' divided into two distinct periods, but how true is that?

GREENSBORO, NC - We all want more sleep. There’ s plenty of techniques, gadgets, pillows and fancy mattresses to help you. And, we all know someone (or we might be that someone) who hits snooze ...

This is the second in a series of columns about the importance of adequate sleep for optimal physical and mental health. These columns are based on the book “Why We Sleep,” by PhD sleep scientist ...

Medically reviewed by Smita Patel, DO Taking short naps under 30 minutes can boost energy and alertness.Biphasic sleep patterns may compromise sleep quality, compared to polyphasic and monophasic ...

Can knowledge of how our ancestors slept truly lead us to a life of more natural—and healthy —sleeping patterns? Authors on the Internet have been exploring that possibility, writing a spate of recent ...