Your body's natural schedule operates on a day that's 24.18 hours long. The only reason we don't get hopelessly out of sync is because our internal clock is "re

Your body's natural schedule operates on a day that's 24.18 hours long. The only reason we don't get hopelessly out of sync is because our internal clock is "reset" by the sun each day. https://news.harvard.edu/gazette/story/1999/07/human-biological-clock-set-back-an-hour/ https://news.harvard.edu/gazette/story/1999/07/human-biologi...