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There are no external sounds or stimuli; it's just as if your body knows exactly when it's time to wake up. This is no accident. This is your body's internal clock showing off its amazing abilities: an incredibly precise timing system that regulates your sleep and wake times.
Why do we wake up before the alarm clock rings?
There are no external sounds or stimuli; it's just as if your body knows exactly when it's time to wake up. This is no accident. This is your body's internal clock showing off its amazing abilities: an incredibly precise timing system that regulates your sleep and wake times.