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@Mall
Ok let me stump you or have you conceding.What is the evidence that you will wake up after your next sleep cycle?
The body knows when to sleep and when to wake up.
How does the body decide to wake up?
The optic nerve in your eyes senses the morning light. Then the SCN triggers the release of cortisol and other hormones to help you wake up. But when darkness comes at night, the SCN sends messages to the pineal gland. This gland triggers the release of the chemical melatonin.