The benefits sleep at night turn off the lights

Turning off the lights when the dark night secretly collaborated with the body. Only in a state that is really dark body produce melatonin, a hormone in the immune system is able to fight and prevent various diseases including breast cancer and prostate cancer.

Conversely, sleep with the lights on at night - no matter how small its rays cause the production of the hormone melatonin stopped. Joan Roberts biologists discovered this secret after conducting experiments on animals. When the animals were given artificial light at night, melatonin decreased and weakened immune systems.

Apparently, the lights - as well as TV - causes hormones to be very tired.
Therefore, in addition to saving energy, by turning off the lights when you sleep is a natural way to improve the health of the body

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