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How is nocturia, frequent need to urinate, particular to nighttime, possible? How does time of day influence this need to urinate, or might this be an illusion?
How does time of day influence this need to urinate, or might this be an illusion?
Our bodies have circadian rhythms, synchronized by melatonin release (melatonin is released at night and lower when we're exposed to light), of all sorts of functions...
Circadian rythms are proven to be endogenous, merely affected by melatonin release. Experiments in the 19th century proved that primates, locked in a room with non-variable light strength, kept circadian rythms.
Circadian rhythm = any rythmic behaviour with periodic time of 24 hours