Sleep and the Brain
- Published23 Jul 2015
- Reviewed23 Jul 2015
- Author Michael W. Richardson
- Source BrainFacts/SfN
Although sleep appears to be a passive and restful time, it actually involves a highly active and well-scripted interplay of brain circuits, resulting in sleep’s various stages.
Why do we get sleepy? There are two main determining factors: the circadian system (time of day or night) and how long we have been awake.
What is the difference between sleep and wakefulness? Much of it depends on which brain systems are activated.
What happens to your brain when you are sleep-deprived?
Although scientists continue to debate the purposes and benefits of sleep, one thing is clear: sleep deprivation is really bad for brain function.
The Secret to Memory? A Good Night’s Sleep
A good night’s sleep can strengthen memories and promote creative thinking.
How Smartphones Keep You Awake
Your smartphone addiction isn't helping you sleep. In fact, an obscure chemical reaction may be keeping you awake.
You likely spend more of your life sleeping than performing any other activity, but there’s so much we don’t know this basic function. Scientists continue to make discoveries about the role sleep plays in our ability to think, remember and act. To find out more about sleep and the brain, browse through the images and their descriptions and click on the link in each caption to read the full articles.
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About the Author
Michael W. Richardson is a writer and editor based in Brooklyn, New York, covering topics ranging from the brain and behavior to the environment.
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