What happens when we sleep, and why we need just the right amount
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Why do adults need 7 to 9 hours of sleep each night and why do kids need more? Experts explain what happens while we sleep – and what doesn't when we cut sleep short.
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StartSchoolLaterOhio (@SSLOhio) / X
Karla Whitley (@DietitianInABox) / X
![](https://www.thensf.org/wp-content/uploads/2020/12/NSF-SleepVaccines_5Tips-e1609349147428.png)
Sleep, Immune Health, and Vaccination - National Sleep Foundation
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What Happens in Your Body and Brain While You Sleep
Karla Whitley (@DietitianInABox) / X
What Happens When we Sleep, and Why we Need Just the Right Amount Each Night - Association of Schools and Programs of Public Health (ASPPH)
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What Time to Go to Bed (by Wake Up Time and Age)
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Is sleeping on the floor good for you? Benefits and side effects
![](https://psychiatry.arizona.edu/sites/default/files/styles/very_small_image/public/grandner_201501830_wcr-23_0_2.jpg?itok=hOJh6FOd)
What happens when we sleep, and why we need just the right amount each night