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sleep loss

Science with Sam sleep

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

We spend one-third of our lives asleep, but why is it so essential? In this episode, we explain the science of sleep and why we can’t stay awake indefinitely.

Video

Why do we yawn?

Question

Why do we yawn?

Global tree loss is undermining tactics to address the climate crisis

Environment

Global tree loss is undermining tactics to address the climate crisis

Analysis

Octopus

Life

Octopuses may be able to dream and change colour when sleeping

News

Woman on laptop at night

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Women with senior jobs sleep better in countries with gender equality

News

Sleeping man

Technology

People can answer questions about their dreams without waking up

News

People are spending an extra hour in bed since pandemic started

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People are spending an extra hour in bed since pandemic started

News

How the strangeness of our dreams reveals their true purpose

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How the strangeness of our dreams reveals their true purpose

Features

Science with Sam - Sunlight

Video

The health benefits of sunlight: Can vitamin D help beat covid-19?

Video

Sleeping baby

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The purpose of sleep appears to change when we are toddlers

Sleep in babies seems to mainly help develop new brain connections, but at the age of around two-and-a-half there is an abrupt shift to brain repair

News

Definition

Modafinil

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People who work in offices with more daylight sleep better at night

News

Last Word

Why does 'falling' in dreams happen?

Regulars

Last Word

This week’s new questions

Regulars

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