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 Light activates and regulates your biorhythm Some suffer from "winter blues", seasonal melancholy in fall and winter when the day length becomes shorter and the sunshine is weak even during the day. Probably many of you have experienced some depression for no specific cause in a gloomy-weathered morning. These are evidence your body is unable to function properly without having the sun shine. Needless to say, the solar light has been the source of the energy of life ever since the antiquities. The bright morning sunshine positively affects your autonomic nerve system, activates the sympathetic part of your nerve system, brings up your blood pressure and body temperature, and thus awakens your body. The morning light also suppresses the secretion of melatonin, a hormone that slows down awakening, and thus helps you wake up refreshed. Our biological clock has a cycle of 25 hours, as proven by many experiments. Yet, since our current day is 24 hours long, our bodies have to adjust themselves to this 24-hour cycle. For this purpose, your body uses things called synchronizing factors, especially important is the rhythm of sunshine resulting in the cycle of day and night. The problem today is, however, we do not expose ourselves to enough of sunshine, since we spend most of our time indoors at the office or home. Also, midnight work and work shifts force many of us to stay awake and active in the midnight. This social situation is believed to bring disorders to many people's biological clocks, resulting in health problem of many. Read about bright light power. |
