The habit of sleeping while listening to music, or watching television to sleep, or let the light in the room is brightly lit, it is difficult to remove, and according to some such conditions makes them fall asleep faster. But in fact after they wake up feeling more tense. Some even felt like a sleepless night.
The explanation: When we sleep the brain actually never sleeps. The brain is always running the activities, although not as busy as when awake, that is to run the body's metabolic system. In the evening, with decreasing activity of the body, brain wave rhythms were decreased. But when we sleep while listening to music, television is on or the lights are burning brightly, the sound waves or light emitted by the equipment is still accepted by our sense of hearing and sight. Sound waves received by a hearing in the ear and light waves can still penetrate the eyelids and received by the retina and lens of the eye. Waves will be transmitted to the brain. Rest of the brain should be stimulated to return to work and process the incoming information. If this goes on all night, we just sleep in the body outside, but not by the brain. The brain will continue to work to process the incoming information. So do not let your brain is tired of having to keep working at night, while during the day the brain will also be squeezed by our routine activities.
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