Q:

Does the time of day affect your body temperature?

A:

Quick Answer

According to the National Institute of General Medical Sciences, the time of day affects the body temperature through a physiological phenomenon called circadian rhythm. The UCLA Sleep Disorders Center explains this cycle is controlled by small nuclei in the brain, called the suprachiasmatic nuclei, along with other circadian rhythms.

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Does the time of day affect your body temperature?
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Full Answer

The UCLA Sleep Disorders Center also states that the body temperature is the lowest during the night, reaching a minimum at around 4 a.m., according to Wikipedia. The UCLA Sleep Disorders Center further notes that the temperature starts to rise before waking up, but drops slightly again between 2 p.m. and 4 p.m. Wikipedia claims that the body temperature reaches its peak during the late afternoon, between 4 p.m. and 6 p.m.

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