Discover 15 weird things that happen while people sleep. Science explains the strangest nighttime behaviors.

Best sleep trackers for 2025 include Whoop 4.0, Ultrahuman Ring, and Eight Sleep Pod 4 Cover with advanced sensors, ...

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Learning while sleeping had long been relegated to the realm of quackery, but new studies suggest that we may be able to problem-solve and practice skills in our dreams.

It turns out a little brainwashing on a regular basis might be good for you. That’s because during your waking hours, your brain is accumulating waste from all the work it’s doing, and it needs to be ...

A new study suggests that sleep and wakefulness are two ends of a continuum. We can dream while awake and plan while asleep.

The brain has its own waste disposal system – known as the glymphatic system – that’s thought to be more active when we sleep. But disrupted sleep might hinder this waste disposal system and slow the ...

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