Scientific reason behind alarm: You must have often noticed that you wake up five minutes before the alarm rings. Is this a coincidence or is there a scientific reason behind it? In fact, if you wake up five minutes before the alarm rings, then it is not a coincidence, but there is a scientific reason behind it. You will be surprised to know that your body gets ready according to its internal clock. This is called circadian rhythm or body clock. Our body works like a natural clock, which wakes…
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