Some animals do it for survival, while others have evolved this ability for different reasons. It might seem strange, but these animals have developed abilities to rest while staying alert to their ...

This story was originally published by CalMatters. Sign up for their newsletters. If you’re serving hard time inside a California prison, you’ll often find yourself stuck in a cramped cell with a ...

Have you heard the saying about “sleeping with one eye open”? It’s a bit of metaphoric advice about staying vigilant—and a way to describe very light restless sleep. But sleeping with eyes open is ...

Wading through a clear knee-deep tidal pool in coastal Florida, I was trying to move slowly, to avoid disturbing a gorgeous American oystercatcher napping on a small sandbar. Oystercatchers are ...

Longtime boxing promoter, Eddie Hearn, has offered UFC boss, Dana White, some advice ahead of his venture into the world of Boxing. After teasing at it for several years now with Zuffa Boxing, UFC ...

She may not have to sleep with one eye open — but she sure is walking around that way. After moving from Florida to New Jersey, 28-year-old Lydia August found a new neurologist to administer the Botox ...