Beauty & Health>General Health

How many hours sleep does a 21 year old need?

Anonymous

∙ 13y ago

Updated: 9/20/2023

At least 6-8 hours of sleep. For every two hours of sleep you miss per night you can actually reduce your lifespan by one year. Each person however has to develop their own sleeping patterns, your body may need 8-9 to feel fully refreshed.

Wiki User

∙ 13y ago

What else can I help you with?

How many hours sleep does an eight year old need?

about 8 to 10 hours of sleep

How many hours does an 16 year old need to sleep?

8 hours,,,...

How many hours of sleep does a 5 year old need?

12 hours

How many hours of sleep does a 21 year old need to sleep?

I'm quite sure they need at least 7 hours.

How many hours of sleep 5 to 12 year olds need?

Children need 8 hours.

How many hours sleep does a 12 year old need?

9 - 10 hours

How many hours of sleep does a 18 year old need?

8 - 10 hours.

How many hours of sleep does a 19-year-old need to sleep?

Depends on the length of your "sleep cycles", but generally 7-9 hours.

How many hours of sleep in a year?

if you mean how many hours you should sleep in a year it would be 3,650 hours of sleep for a regular year not a leap year

How many hours sleep does a 37 year old need?

How many hours of sleep does an eight year old need?

10-11 hours every night are the optimum hours of sleep an eight-year-old should get.

How many hours of sleep does a 7 year old boy need?

About 10-12 hours