A member asked:

My question is how long can you go without sleep and would it damage the brain? i asked this because i don't sleep much than i should. so should i worry about it if i sleep for 6 hours or less?

2 doctors weighed in across 2 answers

Minimum sleep requirement is 8 hour to get smooth brain function Daily sleep 6 hour or less affects cognitive function.

Answered 4/13/2021

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Sleep duration need varies from person to person. Less sleep than recommended does not cause permanent brain damage, but cognitive problems and emotional difficulties do emerge when suboptimal sleep is encountered. In your case, 6 hrs may be adequate, but if problems are experienced, get help via sleep hygiene program.

Answered 4/15/2021

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