Polyphasic sleep divides rest into multiple short periods each day. It may offer more waking hours and flexibility for certain schedules. However, it can increase health risks over time from sleep ...

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 ...

NeuroOn, the polyphasic sleep mask launched on Kickstarter yesterday, has already smashed its $100,000 (£61,000) Kickstarter target. Intelclinic, the company behind the mask, already has a fan in ...

It's a commonly held belief that before artificial lighting, human sleep was 'naturally' divided into two distinct periods, but how true is that?

Can knowledge of how our ancestors slept truly lead us to a life of more natural—and healthy —sleeping patterns? Authors on the Internet have been exploring that possibility, writing a spate of recent ...