Most people follow a monophasic sleep pattern, meaning they sleep one time per day. Alternatively, many people sleep twice per day in a biphasic sleep pattern. People who sleep biphasically usually ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Polyphasic sleep ...

Official advice says that healthy adults require 7 to 9 hours of sleep every night for physical and mental health. Anything ...

Is it safe to sleep for brief periods several times each day? Medically reviewed by Keri Peterson, MD Fact checked by Zerah Isaacs Individuals who are interested in a polyphasic sleep schedule may ...

Daylight savings ends on November 5: Sleep schedules be warned. Soon, and probably to your dismay, you’ll find yourself looking out the window at 4:30 p.m., wondering why it’s so dark, and your daily ...

Everybody is busy these days, looking to squeeze as much as they can out of every moment of the day, and night. Sure, you know you need roughly eight hours of sleep—but wouldn’t it be great if you ...

Historic records show humans slept, woke, and slept again regularly before the Industrial Revolution. But was it really a universal habit, and does it have benefits? Though most modern societies sleep ...

Mark Serrels is an award-winning Senior Editorial Director focused on all things culture. He covers TV, movies, anime, video games and whatever weird things are happening on the internet. He ...

Everybody is busy these days, looking to squeeze as much as they can out of every moment of the day, and night. Sure, you know you need roughly eight hours of sleep—but wouldn’t it be great if you ...