They found that the activities within the brain (brain activity) will fluctuate according to predict, during a period of about 90 minutes sleep cycle begins when we start to fall asleep. Then gradually changed periodically, deep sleep (deep sleep).And come back for the brain, we are almost fully awake!And the phase of the brain sleep almost fully awake is the most interesting. Human brain activity during sleep. Almost like when we wake up. But the more strange than that.Part one is also moving eyes. The roll back and forth under the eyelids. You know the sleeping now. Acetyl arin skiing with the client / man called sleep sleep phase that a R.E.M.Which stands for Rapid Eye Movement (rapid movement of the eyeball). A characteristic of this stage of sleep, they also called it "Paradoxical Sleep", because the sleep seems to be awake if you look at the activities within their nerves.One scientist is if the sleep in the R.E.M.What woke up, they will remember the dreams clearly. And often is a dream which have concentrated violence. Of course, this is not only the sleeping and dreaming sleep stage. But they say dreams during this very realistic.About 90 minutes, at the end of the sleep cycles (sleep cycle) our brain will enter the stage R.E.M. And start creative story a lot of crazy, which is approximately long 20-30 minutes. This is where you will dream strange but very clear. Sometimes you almost confused as real life
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