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sleep

Artwork of a group of people sleeping on each other's shoulders

Humans

Tired all the time? Why fatigue isn't just about sleep

Some of us feel constantly drained without knowing why. Some answers are emerging at last, and it’s not down to lack of sleep

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watch

Humans

Fast asleep? Your unconscious is still listening

Features

3 people napping outside on the grass

Health

Don't lose sleep over the claim that long naps may make you ill

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truck

Technology

Smart wristband tracks vital signs to keep truckers moving

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sleep deprivation

Health

A bad night’s sleep messes with your brain’s memory connections

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A man sleeps in an artificially lit factory

Health

Herpes infections are worse if contracted at the end of the day

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Baby monkeys smile in their sleep - more so than human babies

Life

Baby monkeys smile in their sleep - more so than human babies

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Found: brain switches that wake flies up and send them to sleep

Life

Found: brain switches that wake flies up and send them to sleep

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First evidence birds nap in flight without dropping out of sky

Life

First evidence birds nap in flight without dropping out of sky

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A woman sleeping with a shaft of light falling on her

Health

Too much light weakens bones and changes immune system

Research in mice suggests that continuous exposure to light has wide-ranging effects on health, a worrying finding for people who do shift work

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Humans

Princess Leia brainwaves may help you learn in your sleep

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Humans

Want to control your dreams? These tips may boost your chances

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Humans

I slept for just 20 minutes at a time for 6 months

Features

Health

5 sleep disorders you didn't know existed

Features

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