biorhythmic
/ˌbaɪoʊˈrɪðmɪk/
adjective
- Relating to or having a regular, repeating pattern of physical, emotional, or mental changes.
- The scientist researched biorhythmic changes in plants over a 24-hour period.
- The athlete studied her biorhythmic patterns to plan her training schedule.
- Some people believe in biorhythmic cycles that influence their mood.