Lack of sleep can make a dog grumpy, foggy and less able to focus, causing them to ignore commands, like coming to you when ...

Dr. Jo Myers told Newsweek that "what matters most" when it comes to your dogs is their sleeping arrangements.

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

They identified two states: a “normal” one and a quiet state. When they were in this quiet state, the jellyfish were much ...

Quick Take The Belly-Up pose is tied to the loudest snoring, signaling deep relaxation and heat regulation in comfy ...

Jellyfish and sea anemones sleep too. A new study reveals that sleep may have evolved to protect nerve cells from DNA damage.

Studying ancient sea creatures’ snoozing habits could shed light on the origins of sleep.

I've always let my dogs chill on the couch and sleep in my bed. There is no way I could ever resist their adorable faces ...

Scientists already knew that the pair of shallow coastal ocean dwellers keep very different schedules of downtime: The ...

Utahns love their pets. But your animals could be coming between you and a good night’s sleep, writes behavioral and social ...