How much sleep do we really need ?

hi everybody,

When we drift off to sleep, we either fall into a deep, restful sleep, or into a

shallow, light sleep. It becomes obvious that if you experience a deep sleeping for few

hours, it will be better than sleeping for long hours while experiencing a shallow

sleeping as you will find yourself very tired, and your body is exhausted when you wake

up.


Many studies make it clear that the amount of sleep each person needs varies and depends

on many factors, including age. Infants generally require about 16 hours a day, while

teenagers need about 9 hours on average. For most adults, 7 to 8 hours a night appears

to be the best amount of sleep, although some people may need as few as 5 hours or as

many as 10 hours of sleep each day. Women in the first 3 months of pregnancy often need

several more hours of sleep than usual. The amount of sleep a person needs also

increases if he or she has been deprived of sleep in previous days. Getting too little

sleep creates a "sleep debt," which is much like being overdrawn at a bank. Eventually,

your body will demand that the debt be repaid.

sleepingbeauty

Need less now

I always used to need 8 hours but I get by on 7-7.5 hours now, and anything more than 9 hours can give me a headache. I've heard that every hour you spend not sleeping after midnight is equivalent to two hours of not sleeping before midnight, so I guess it depends on what time you go to bed as well as how many hours.

I do this

well the same problem i have if my sleep is not on time or i wake up before a time my whole day will be stressful and headache is also started.
I am not able to do any work,not like to go anywhere for enjoying or in a party. That is why i like to sleep on time.