I’ve tried many TikTok sleep hacks in my day, but the ‘cricket feet’ sleep hack is one I’ve been doing for years – without actually realising that I was doing it! If you’re struggling to fall asleep ...

There’s one nighttime move that works like a charm when it comes to falling asleep, and it seems to be almost universal. It isn’t listening to white noise or drinking a sleepy girl mocktail, but ...

Elephant seals drift downwards in a "sleep spiral" when deep diving in the ocean, a new study found. Sleeping while deep diving allows the seals to avoid predators, scientists believe. The scientists ...