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Woman reading a phone and a tablet under a blanket

Technology

If your smartphone is keeping you up at night, give it a rest

A nocturnal digital detox would make a good new year resolution, says Martin Lee

Comment

A seal on its back underwater, close to the seafloor

Life

Watch some of the most endangered seals caught napping underwater

News

Two students in a library, one with head on the desk

Life

Napping before an exam is as good for your memory as cramming

News

Woman sleeping in meadow

Humans

Why rest and relaxation are such a serious business

Culture

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

Humans

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

Features

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

Comment

truck

Technology

Smart wristband tracks vital signs to keep truckers moving

News

sleep deprivation

Health

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

News

A man sleeps in an artificially lit factory

Health

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

Our circadian rhythms affect our ability to fight off infection, and a study in mice suggests shift workers may be particularly vulnerable to viruses

News

Life

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

News

Life

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

News

Life

First evidence birds nap in flight without dropping out of sky

News

Health

Too much light weakens bones and changes immune system

News