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sleep loss

Mature man sleeping wearing eye mask close up

Mind

Brain cells that regulate wakefulness may become overactive with age

Brain cells that promote wakefulness fire too much in older mice, which may explain why many people find it harder to sleep as we get older

News

Spain, Andalucia, Jerez, Woman sleeping in bed, view from above.

Health

Getting enough sleep may lower the amount of calories you eat

no-section

Person with encephalography electrode

Humans

Unknown voices spark more brain activity in sleep than familiar ones

News

Salvador Dali

Mind

Interrupting sleep after a few minutes can boost creativity

News

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

News

Bacteria circadian clock protein molecule

Life

Circadian clock made from scratch to probe how biological rhythms work

News

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

News

Woman sleeping on a plane

Health

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

Concerns about jet lag may lead to a "nocebo" effect, in which believing something to be harmful can actually increase its negative effects on you

News

Video

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

Video

Health

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

Video

Question

Why do we yawn?

Environment

Global tree loss is undermining tactics to address the climate crisis

Analysis

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