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

Health

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

Photos taken by astronauts on the International Space Station show that streetlights are getting gradually more blue-tinged in many countries in Europe as they switch to energy-efficient LEDs

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

Health

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

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A sleeping man and woman in bed

Health

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

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Sleeping mouse

Mind

Rapid eye movements during sleep reveal where mice look in dreams

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Jumping spider close up eyes

Video

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

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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.

Health

Breast cancer is more likely to spread during sleep

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Woman sleeping

Health

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

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Sleepless and desperate beautiful caucasian woman awake at night not able to sleep, feeling frustrated and worried looking at clock suffering from insomnia in sleep disorder concept.; Shutterstock ID 1337363627; purchase_order: -; job: -; client: -; other: -

Health

Tracking sleep disruptions could improve nerve pain treatments

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Listening to friends tell you about their dreams helps develop empathy

Mind

Listening to friends tell you about their dreams helps develop empathy

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young woman sleeping

Health

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

Leaving even a dim light on while you sleep may disrupt blood sugar control, a small study in humans suggests

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Mind

Brain cells that regulate wakefulness may become overactive with age

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Health

Getting enough sleep may lower the amount of calories you eat

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Humans

Unknown voices spark more brain activity in sleep than familiar ones

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Mind

Interrupting sleep after a few minutes can boost creativity

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