Why We Sleep: How Rest Helps Our Body and Brain
We spend about a third of our lives sleeping — but why do we need it? This article explores the science of sleep, dreams, and why rest is so important to our health.
The article "Why We Sleep: How Rest Helps Our Body and Brain" from BBC's Science Focus explains why sleep is essential for our physical and mental well-being. It explores sleep stages, how much rest we need, what dreams might mean, and why sleep evolved.
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BBC's Science Focus is packed with news, discoveries, ideas and innovations to keep you up-to-speed with the complexities of the fast-moving world around us. Learn more about subscriptions here.
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