Turning off lights when sleeping the night secretly collaborated with the body. Only in a state that really dark, our bodies produce melatonin, a hormone in the immune system that is able to fight and prevent various diseases including breast cancer and prostate cancer.
Conversely, sleeping with lights on at night. No matter how small its rays cause the production of the hormone melatonin to stop.
Joan Roberts biologists discovered this secret after conducting experiments on animals. When animals were given artificial light at night, melatonin reduced and weakened his immune system.
Apparently, the lights, as well as TV causes hormone became very tired.
Therefore, in addition to saving energy by turning off lights when sleep is a natural way to improve the health of the body. Alternative ways to improve the immune system without drugs.
Source: Indonesian Health Info 2007
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