How many hours we sleep? Is it enough six, seven, eight hours? How long should young children sleep and how long older people? We are all familiar with the unpleasant effects of lack of sleep: fatigue, lack of energy, irritability and inattention.
The amount of time you need to spend in bed varies on many factors, especially your age.
But there are some basic guidelines that apply to most people:
Infants: 14 to 15 hours of sleep
Toddlers: 12 to 14 hours of sleep
School children: 10 to 11 hours of sleep
Adults: 7 to 9 hours of sleep
With age, many other factors affecting the need for sleep.
Pregnancy: Pregnancy increases the need for sleep
Aging: Older people sleep easier, and more frequently during the night, causing the need for additional sleep in the afternoon.
The quality of sleep: If you wake up frequently during the night and you do not have quality sleep, you will probably need more hours of sleep, since sleep quality as important as length.
Earlier conditions: People who have been through a period of suffering from insomnia, are likely to have a need for something longer sleep.
Although some people claim to feel rested after only a few hours of sleep, research shows that people who sleep too little, do not have good motor skills as well as people who have enough sleep, you tend to perform more complicated tasks.
Further, significantly more or less than 7 hours of sleep for an extended period of hours was associated with an increased risk of mortality.
If you often feel tired daily, even when you have had enough sleep at night, you should consult a doctor because it is not normal. He will probably be able to identify a problem that is hidden in the background, and most often unbalanced diet, lack of exercise and a sedentary lifestyle or too much stress.