Jumat, 24 April 2009

What is sleep

Although the rights to about a third of his life sleeping, but the majority do not know much about sleep. There is a widely held view that sleep is inactive in the functions of the body's physical and mental needs to renew its rights. In fact, scientifically proven otherwise, since it occurs during sleep, many of the activities of the complex at the level of the brain and body in general and not, as some believe. On the contrary, some jobs are more active during sleep and certain diseases that occur during sleep, only to disappear with the awakening of the patient. This is the information and scientific facts in the recent span of time, as some medical authorities did not touch it yet.


The question arises, what happens during sleep?

Sleep is not a loss of consciousness or coma, but is a special case of the rights, which are certain activities. When awake, the human brain to have a certain electrical activity, and with sleep solutions this activity begins to change and sleep study will help us to specify precisely. Valenaim passes through several stages of sleep sleep each role. There are phase I and II, and the sleep light and which begin with the beginning of sleep. Then begin the third and fourth stage, or what is known as deep sleep, and these two phases to restore the body's activity, and the lack of these two phases of sleep, light sleep, resulting in a comfortable and non-fatigue and stress during the day. After about ninety minutes beginning stage of dreams or what is known in the rapid movement of the eyes, and dreams occur during this stage, this stage is important for the restoration of his mind. And going through all stages of sleep known as sleep cycle complete. During normal sleep (6-8 hours) is about the human 4-6 full sleep cycles.

How many hours of sleep needed by natural rights?

Vary the number of hours of sleep needed by the natural rights varies greatly from person to person. But what is certain is that the number of hours required by the same person always be stable. In spite of that man in one nights sleep over the night again to the number of hours Inamha person in a week or a month is usually fixed.

Many people believe that the number of hours of sleep for eight hours a day is. If we want more precision, most of the people sleeping 7-7.5 hours a day. This figure is the average number of hours to most people, but it does not necessarily mean that everyone needs that number of hours. Phnom rights varies from less than three hours for some people to more than 10 hours for others.

In a study of the National Center for Health Statistics, United States of America, it was found that two out of every ten people sleeping less than 6 hours a night, and one of every ten sleep 9 hours or more per night. It is alleged that people sleep less than 6 hours, the owners of the short sleep, which sleep more than 9 hours of sleep, the owners of long term, but natural. Vnapeleon Edison and the owners were short of sleep. While the world was Aenictin & Take the long sleep. The sense that the number of hours of sleep needed by a man if he was normal and not suffering from a disease does not affect sleep, productivity and creativity.

In sum, the number of hours of sleep needed varies from one human to another, many believe that they need to sleep eight hours a day. And that as the increased hours of sleep whenever it is more healthy, and this belief is wrong. For example, if you sleep for only five hours at night and is active in the next day you do not suffer from the problems and lack of sleep.



Do you sleep change with age?

With the growth of children, sleep is gradually changed (see information at the sleeping children). But as the one to reach adulthood (by which I mean some of us twenty years of age), the number of hours of sleep needed by the body does not change with age, but in contrast, the nature and quality of sleep change as the old us. When the elderly become a light sleep and less effective and less comfortable, in spite of all this did not change hours of sleep. The reason for this is because the proportion of each stage of sleep the previous change with age.

When the man about the age of 50 years, Ms. about 60 years, the proportion of deep sleep (stage 3-4) have been reached, usually a very small percentage of the time sleeping, and when some may disappear altogether. However, persons in this age faster Astiqaza a result of external noise, compared to young age. Despite the lack of significant change in the number of hours of sleep with advancing age, however, that the nature of sleep is different, then the sleep light and sporadic throughout the night, and this is one of the causes of daytime sleepiness, which affects many older people.

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