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ight is extremely important in a human's life and we can't live without sunlight. There is a sentence" when sunrise we work; when sunset we rest". From this sentence, it can tell us that light is the main factor to affect our biological clock and our lifestyle. Plus, light also will affect our daily emotion.
People always can see sunlight when they wake up but they just don't want to disturb by strong sunlight during their sleep especially during the summer as the sun will rise quite early than before.
Rise and Shine can help us block sunlight during our sleep and also preset simulation sunlight from dim to bright before wake up time by 20
LOH WENG KEITH,