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Heroin paraphenalia

Health

Heroin users’ brains hint at a new treatment for narcolepsy

Heroin users make too much of a “wakefulness” chemical in their brains. The finding hints that milder opiates may offer a new way to treat narcolepsy

News

Seals only sleep with half their brain when they're out at sea

Life

Seals only sleep with half their brain when they're out at sea

News

An oddly coloured landscape

Humans

The dreams you forget are the most important for learning

News

Think you're fully alert? You can't always tell if you're tired

Humans

Think you're fully alert? You can't always tell if you're tired

News

A person in bed with a mobile phone

Health

Getting just 6 hours of sleep is linked to mental health issues

News

A person pressing snooze on their alarm clock

Health

Struggle to get up in the morning? You’re at risk of early death

News

Protein deposits in the brain

Health

One bad night’s sleep may increase levels of Alzheimer’s protein

News

Neanderthals ambushed cave bears as they awoke from hibernation

Life

Neanderthals ambushed cave bears as they awoke from hibernation

News

A man sleeping

Health

Calorie restriction may extend lifespan by changing your sleep

News

Dreams decoded: 6 answers to the mysteries of the sleeping mind

Humans

Dreams decoded: 6 answers to the mysteries of the sleeping mind

Why are dreams so weird, what are they for, and do they mean anything? Here’s what science can tell us about our adventures in the land of nod

Features

Health

We must all wake up to the need for a good lie-in at the weekend

Leader

Life

Why dreaming is vital: Unlocking the power of REM sleep

Features

Life

5 ways to boost your dreams and improve your health

Features

Health

We’ve evolved to sleep less and that may be causing Alzheimer’s

News