Experts say dogs can dream about familiar people during REM sleep, reflecting memory, emotion, and bonding shaped by shared daily routines ...

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The Ozlo Sleepbuds take the crown as the best overall sleep headphones thanks to their comfortability and functionality. In ...

Sleep is essential for much of the animal kingdom. During the night, neuron and tissue repair mechanisms are activated to aid ...

From supplements to musical stuffed animals, there are soothers out there to help the whole family get a better night’s sleep.

Scientists have long focused on quantifying fear and other negative emotions in animals. Now they’re trying to measure ...

Sleep is a pretty dangerous gambit. If you think about it, you’re unconscious and disconnected from the world for about a third of your life. That makes you vulnerable to predators and even ...

A new study analyzed the sleep patterns of jellyfish and sea anemones and found they share some sleep traits with humans. The research could provide insight into the origins and function of sleep.

This is read by an automated voice. Please report any issues or inconsistencies here. Animals such as penguins and frigatebirds have evolved extreme sleep strategies — naps that last a few seconds, ...

NATURE BRIEFING 06 January 2026 Daily briefing: Animals without brains sleep too — hinting at why we sleep at all Jellyfish seem to sleep in ways strikingly similar to humans, despite not having a ...