eHow.com: Sleep is important, as it actually helps the body to cope with stress. The body prepares for sleep at night by secreting the hormone melatonin into the bloodstream, which causes the body to experience a decrease in temperature and alertness, according to Relaxation-at-Home.com. Meanwhile, during the day, light from the sun actually prevents the production of melatonin. Traveling to another time zone or even working at night versus during the day can cause a disruption of your body's natural sleep cycle. However, just a few steps can help you to restore your sleep cycle effectively.
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