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CTBXC4 Closed eye.

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Human hibernation sounds fanciful, but it may now be saving lives

Trials involving swapping blood for cold saline show that exploring extraordinary ideas can lead to incredible benefits for human health

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Human hibernation is a real possibility – this is how it might work

2GRD8X5 High Angle View Of Text On White Background

Humans

Insomnia success suggests we need more nuanced mental health support

Masashi Yanagisawa and Emmanuel Mignot

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Scientists who discovered cause of narcolepsy win Breakthrough Prize

A nighttime view of Western Europe is captured by crew members aboard the International Space Station

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Streetlights in Europe are getting bluer 鈥� that may be bad for health

Walking with a crying baby is the faster way to encourage the infant to fall asleep

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The fastest way to soothe a crying baby, according to science

A sleeping man and woman in bed

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Some doses of blue light from screens may not affect your sleep

Sleeping mouse

Mind

Rapid eye movements during sleep reveal where mice look in dreams

Jumping spider close up eyes

Are these spiders dreaming? REM-like sleep exhibited in arachnids

Circulating breast cancer cells. Fluorescence light micrograph of a cluster of circulating tumour cells (CTCs, red) and white blood cells (green) from the blood of a patient with breast cancer. CTCs are an important focus of cancer research because they provide a key target for new treatments. By identifying the molecular adaptations and genetic mutations that allow CTCs to spread (metastasize), it may be possible to develop strategies to block metastatic cancer on a patient-by-patient basis.

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Breast cancer is more likely to spread during sleep

Tumour cells appear to circulate in the blood more during the night, hinting that therapies should be targeted to maximise their impact at night

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Climate change means people are losing 44 hours of sleep per year

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Tracking sleep disruptions could improve nerve pain treatments

Mind

Listening to friends tell you about their dreams helps develop empathy

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Even a low level of light at night may disrupt your blood sugar