Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Why do human sleep?


We sleep because it is critical for our health and well-being. We sleep so the brain can reorganize itself. We sleep in order to restore and rejuvenate, to grow muscle, repair tissue, and synthesize hormones.

{{ relativeTimeResolver(1572806703029) }}

LIVE
Points points 318
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE