How much sleep does a 21 year old female need?

The recommended sleeping hours for female is 7 hours or more at night.

The amount of sleep one needs will vary but on average it's 6.5-8.5 hours. Try sleeping without an alarm...

The human body (all ages, male and female) are required 8 hours of sleep. One hour of too much or too...

The American Sleep association recommends young adults need about 8 to 9 hours of sleep each night to...

hmmm good question i definatley would like to know as well but i know more than 3 hours is a good start...

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

At least 6-8 hours of sleep. For every two hours of sleep you miss per night you can actually reduce...

Adults are in need of 7-8 hours of sleep nightly, however surveys show that the average American gets...

Most adults need 7-8 hours of sleep per day. This is down from the 9 hours needed by teens & the...