How much rest does your body need?
There is no short, simple answer to the question of how much sleep people really need. Our requirement differs depending on our age and individual needs. For instance, preschool-aged children (3 to 5 years) need between 11 and 13 hours of sleep per night. On the other hand, the elderly may sleep for only three or four hours at a time, with their sleep taken both at night and during the day. What i...
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