9 Blood Pressure And Core Temperature Drop
About 30 minutes before you fall asleep, the body begins to lower its body temperature. This occurs to slow down your metabolism to the point where you can sleep for hours without going hungry.
As a result, heart rate and blood pressure also decrease.While this may not seem like a big deal, your core body temperature drops by more than 1.1 degrees Celsius (2 °F) to around 35.6 degrees Celsius (96 °F), which is one degree above hypothermia.
Your body also needs less energy, so you are in no danger of freezing to death while taking a nap.Upon waking up, blood pressure and heart rate rapidly rise again to keep up with the demand for energy. But for a brief period of time, there is an imbalance, resulting in the sluggishness and clouded thinking experienced by people who have just awakened.
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