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You need sleep because the longer you stay up, the less you will be able to concentrate. And if you go to bed late then you are likely to oversleep in the morning and you wont be able to concentrate. You need to know what your sleep time is because your doing it for your own health.

When they say beauty sleep they are true because if you dont sleep then you get rings and bags underneath your eyes and that can make your face look a bit worrying to others.

Sleep loss can affect the mood that you are in.

However not everyone has the same sleep requirements. Some need more than others. 8 hours is considered an average.

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10y ago

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Continue Learning about Gerontology

How many hours of sleep does a 68 year old need?

Most adults, including those who are 68 years old, generally need 7-9 hours of sleep per night for optimal health and well-being. Individual sleep needs can vary, so it's important to listen to your body and adjust accordingly.


What is the number of hours of sleep required per night?

7 is the optimal amount of sleep you can get in one night. Try not to sleep under 5 hours and over 7 hours as it is actually unhealthy to sleep 8 hours a night. Sleeping only 5 hours is less harmful than sleeping 8 hours according to a study done by U of California and the American Cancer Society. So try to get around 7, but don't go too far over, less is better than more (to a point.)


How many hours elders should sleep?

Adults aged 65 and older typically need 7-8 hours of sleep per night for optimal health and well-being, although individual sleep needs can vary. It's important for older adults to prioritize good sleep hygiene practices to ensure they get enough rest each night.


How many hours of sleep does a 70 year old woman need?

A 70-year-old woman typically needs around 7-8 hours of sleep per night to support her overall health and well-being. However, individual sleep needs can vary, so it's important to listen to your body and adjust accordingly.


How many hours sleep does a 50 year old need?

The adult human body only needs 4 hours of continuous sleep to fully rejuvenate ... A child need much more as much as 8 - 10 hours of sleep .. All people differ, some require more sleep than others. There is no set minimum or maximum. The human body is largely self regulating in this respect. When you are tired you sleep more. I have added a link supporting my previous answer that 7-8 hours is the accepted norm for the 'average' adult.