REM (Rapid Eye Movement) sleep:
REM (Rapid Eye Movement) sleep:
During this stage of sleep the eye balls move rapidly, even though the person is in full sleep. REM sleep is referred to as Paradoxical sleep or Desynchronized sleep. During the entire sleep time, bouts of REM sleep occur five to thirty times at an interval of 90 minutes. REM is sleep is considered as” Dream sleep” and the dream can be remembered since it involves bodily activities. The important characters of REM sleep are
a. Active muscle movements and dreaming
b. Sensory stimuli will be absent so that it is difficult to arouse through touch, sound or light stimuli.
c. The spinal muscle control area will be inhibited so that the person shows depressed muscle tone.
d. Heart rate and respiratory rate diminishes or irregular.
e. In addition to rapid eye movements, irregular muscle movements also occur.
f. Bain metabolism increases to 20 percent and brain becomes highly active. Due to the increased activity of brain during the sleep, REM sleep is called paradoxical sleep because it is a paradox.
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