Biphasic sleep simply means that instead of sleeping in one long stretch during the night (known as "monophasic sleep"), you break your snooze time into two distinct chunks. Also called "segmented ...

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 ...

Believe it or not, science says you can take a guilt-free afternoon nap. No, really. Getting all of your sleep in a single ...

Official advice says that healthy adults require 7 to 9 hours of sleep every night for physical and mental health. Anything below this and you risk long-term sleep deprivation, which in turn elevates ...

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 ...

This is the third column in a series about the importance of adequate sleep for optimal physical and mental health, based on the book “Why We Sleep,” by sleep scientist Matthew Walker, PhD. Circadian ...

Like many people, historian A. Roger Ekirch thought that sleep was a biological constant -- that eight hours of rest a night never really varied over time and place. But while researching nocturnal ...

The U.S. is sleep deprived. As a nation, Americans are not getting as much sleep as we need to. According to the National Sleep Foundation, it may be our busy lifestyle that keeps us from napping and ...

Since giving birth to my daughter over a year ago, my brain is still frequently foggy and my memory is weak. I have a harder time recalling some somewhat significant details in my life. I’m ...

It’s coming up on the end of the school year, and a fog of tiredness has descended. Final projects, exams, spring sports, jobs — the last sprint to summer means hardly anyone is getting eight hours of ...