Most animals have a cycle that’s a bit off of 24 hours, and I believe it’s quite pronounced in Humans, though I can’t remember exactly how much - 27 hours? Rese

Most animals have a cycle that’s a bit off of 24 hours, and I believe it’s quite pronounced in Humans, though I can’t remember exactly how much - 27 hours? Researchers tested it by living in a cave for a month. The day/night cycle is what trims us down to 24h.32 seems very well off though.