Theres also quite a few cases of people who don't naturally fall into a 24 hr rhythm. https://en.wikipedia.org/wiki/Non-24-hour_sleep%E2%80%93wake_disorder http

Theres also quite a few cases of people who don't naturally fall into a 24 hr rhythm. https://en.wikipedia.org/wiki/Non-24-hour_sleep%E2%80%93wake_disorder https://en.wikipedia.org/wiki/Non-24-hour_sleep%E2%80%93wake...