In one video, we meet a charming Golden Retriever who has his eyes barely open when his mom walks in. His eyes are barely ...

Cats do some pretty weird things. If you share your home with one, you could probably list a few. Sometimes, their behaviors give their owners a good chuckle, like when they sleep in cardboard boxes, ...

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 ...

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for studying sleep disorders. Reading time 2 minutes Though sleep is a time to power ...

When you have a dog, you need to be an early riser. It is often seen that dogs wake their owners for food, bathroom breaks, or playtime. A viral post on TikTok shows a similar instance, focusing on a ...

How animals sleep can reveal a surprising amount about their health, mood, and personality. Dogs, in particular, show a wide range of sleep behaviors — from deep REM cycles to quick, light naps — and ...