Turning off lights when Sleep Tonight

Turning off the lights when the dark night's sleep quietly collaborating
with the body. Only in a state that really dark body
produces melatonin, a hormone in the immune system = 20
able to combat and prevent various diseases including cancer = 20
breast and prostate cancer.

Conversely, sleep with the lights on at night - no matter how small = 20
light causes the production of melatonin hormone stops.
Biologist Joan Roberts discovered the secret after the experiment = 20
in animals.

When the animals were given artificial light at night, melantoninnya = 20
decreased and the immune system is weakened.
Apparently, the lights - as well as TV - causes hormones to be = 20
very tired.

Therefore, in addition to saving energy by turning off lights when sleeping
is a natural way to improve health