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 below this and you risk long-term sleep deprivation, which in turn elevates ...

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 ...

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 ...

Would you like to live longer? Longer by, say, 25 percent? Since Aug. 17, my life has been 25 percent longer than normal. I've experienced in three-and-a-half weeks what normally one would experience ...