Mondo Knows Facts
Core body temperature drops naturally during night sleep
Thermoregulatory cooling lowers metabolic rate to conserve resting energy
In accordance with circadian rhythms, human core body temperature drops by roughly one degree Celsius during sleep. Reaching its lowest point in the early morning hours, this metabolic cooling conserves energy and facilitates deep tissue repair.
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Tags: temperature, sleep, metabolism
Core body temperature drops naturally during night sleep: the short answers
- Where does this come from, and can I check it?
- Thermoregulatory cooling lowers metabolic rate to conserve resting energy. The figure is taken from NIH, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a human body fact?
- Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.