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sleep

ANKARA, TURKEY - MARCH 31 : A worker uses a metal cutter on a rail on Ankaray subway line during night shift in Ankara, Turkey on March 31, 2018. Long rapid transit line of the Ankara Metro system has been operating for 23 years. Ankaray operates approximately 180 runs on daily basis, with 11 cars. Length of the transit line reaches about 9 kilometers. Night shift workers compete against time while cutting old rails and replacing them with the new ones until the first run in the morning. (Photo by Mustafa Kamaci/Anadolu Agency/Getty Images)

Health

Night-shift workers who eat only in the day may cut diabetes risk

People who work overnight are more likely to develop type 2 diabetes, but the risk may be reduced by eating only between 7am and 7pm

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Bacteria circadian clock protein molecule

Life

Circadian clock made from scratch to probe how biological rhythms work

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How long can you go without sleep?

Question

How long can you go without sleep?

Awake review: What would happen if nobody could sleep?

Humans

Awake review: What would happen if nobody could sleep?

Culture

classroom

Humans

University students with morning lectures tend to have lower grades

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Woman sleeping on a plane

Health

Worrying about bad jet lag could actually make your jet lag worse

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Science with Sam sleep

Video

Why can’t we stay awake indefinitely? Science with Sam explains

Video

Science with Sam sleep

Health

Science with Sam: Why can’t we stay awake indefinitely?

Video

Why do we yawn?

Question

Why do we yawn?

Octopus

Life

Octopuses may be able to dream and change colour when sleeping

Octopuses cycle between quiet and active phases of sleep, similar to reptiles and birds, and may experience dreams during the active parts

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Health

Women with senior jobs sleep better in countries with gender equality

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Technology

People can answer questions about their dreams without waking up

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Health

People are spending an extra hour in bed since pandemic started

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Health

How the strangeness of our dreams reveals their true purpose

Features

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