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Jonathon Schultz
Biology
21 April, 16:09
Why are getting sleepy?
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Yael Kim
21 April, 16:28
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So, when our eyes see light, our brain gets signals that make us feel awake. But when its dark, the signals make us feel tired ... When your body releases more melatonin, you feel more tired. The human body starts releasing melatonin in the evening around bedtime and continues throughout the night.
I hope that answers your question
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