The presence of light at the time of relaxation of the body hit by human circadian rhythms.
Japanese scientists from the Medical University of Nara proved that lamp, and street lights, the light which is enough intensity of the impact on the person in the dark, increase the risk of heart disease, including stroke.
During his medical studies have shown that people who have the habit of sleeping with the light sources, often diagnosed chronic atherosclerosis (a disease that provokes the formation of atherosclerotic plaques on the arteries).As part of research It analyzed the health of 989 men and women of middle-aged and older.
It found a clear and regular connection. If the bedroom has night lighting, increase the risk of atherosclerosis. The more intense is the light, the higher is the risk. This is due to the fact that the presence of light prevents the production of melatonin, the so-called sleep hormone, and it reduces blood pressure, relieves inflammation and controls circadian rhythms,- the report scientists.
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