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 ...

This pattern of two consolidated blocks, separated by a calm interval, is what researchers now call biphasic or segmented sleep, and it aligns with descriptions of “first sleep” and “second sleep” in ...

— -- 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 ...