Monday, October 18, 2010

The Stages Of Sleep

Generally, the common sense of Sleep is just the daily operation, which allows individuals to break for about four to eight hours each day. From the medical point of view, had to sleep in the definition of anabolic process, which is marked with an absolute minimum note. It is also the time when a person does not correspond to its employees.

Medical experts are classified as sleep in five phases. These steps will continue to identify two divisions – REM (rapid eye movement phase) and non-REM phase. From a technical point of view is understandable, it is also part of the “sleep” over the cycle.

The “waking” stage is the part where a person is about to sleep. As one is a bed, has strained the muscle, as in all daily activities and stress of. In the event that a person may be sleepier, his body, including muscle, it will eventually slow down. Eyes begin to move randomly.

For some people, “stage” is unnecessary and can jump into the Phase 1 immediately. Phase 1 is also known as the “sleepiness”, and will take about ten minutes. At this stage, the body functions decreased by 50%. Most individuals have to close his eyes and easily stirred up the non-voting or small dispersal.

In Step 2, the human body temperature and decrease in heart rate slows down. Soon after, his body could relax in comfort. Step 3 and 4 should be respected. These steps are indeed, if the person was in a state of deep sleep.

If a person entered REM phase, the dream may actually occur. This means that there is a discernible brain activity, which resulted in the eyes of the movement. The body muscles tend to relax and there are no large muscle activity. Due to hyperactivity in the brain, cool and comfortable, the position of the body, the dream usually linked. Brains activity increased during the REM phase. Tahdonvastaisia proposals, such as facial muscle movements and activity is characterized by cycles of sleep. It is also sometimes called paradoxical sleep.

One of the sleeping cycle may differ from one person to another. Nervousness can actually raised, not only the expression of one of the sleeping cycle. Doctors use polysomnograms to track the sleeping cycle, the proper treatment and medical care.

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