The amount of sleep you need depends on many factors, especially your age. Newborns sleep between 16 and 18 hours a day and preschool children should sleep between 10 and 12 hours. Older children and teens need at least nine hours to be well rested. For most adults, seven to eight hours a night appears to the best amount of sleep. However, for some people, "enough sleep" may be as few as five hours or as many as 10 hours of sleep.
The best bedtime for all adults on earth is an hour after sun set. Reason; The hormone [Melatonin] also know as the sleep hormone is released into our cells and responsible for cooling down the cells as a preparation for hormones that are responsible for the repair and maintenance of our immune system on a nightly basis. The hormone Prolactin is released during the times we deep sleep or flaccid muscle sleep ... so I suggest that you look at the sleep environment you prepared for your sleep as well. Incorrect temperature and other bodily discomforts produce restlessness and each movement during sleep retards the release of this repair hormone.
8.00pm is the most popular for an 8year old
8 o'clock is a good time to sent your 8 year old to bed.
Definatly at 7:30.
A nine year should be getting 9-12 hours of sleep.
16 and over need to get at least 8 hours sleep :)
at least EIGHT FULL HOURS :]
You should sleep six hours in the morning.
A preteen should get around 9 hours of sleep.
They should have 8 or more hours of sleep in a day.
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
At least 8 hours of sleep.
a cat shauld sleep 10-15 hours.
if getting the minimum suggested amount of sleep, 2,912 hours or 121.333 days
At least 8 hours of sleep.
9 or more hours