When we sleep, we sleep right? Who knew that there were actually three different types of sleep schedules or patterns? Let me explain. While two of them are generally mainstream, the third one feels ...

— -- The need for sleep is universal with everyone both young and old needing to get some shut-eye to stay healthy. With our own Dan Childs, head of the ABC News Medical Unit, undergoing an ...

For most people alive today, a “good night’s sleep” means roughly eight uninterrupted hours in a dark room, followed by a single morning wake-up. Yet historical evidence suggests that this pattern is ...

When it comes to body clocks, researchers should investigate the phenomenon of “second sleep”, or biphasic sleep. This is fairly well-known historically and among some anthropologists. It seems to ...

NOT THE SAME THING: "Some may view insomnia and sleep deprivation as the same thing, but they are actually very different terms," writes Dr. Troy Jackson in his latest health feature. Photo courtesy ...