chronobiology
/ˌkrɑnəbaɪˈɑlədʒi/
noun
- The scientific study of how living things have natural cycles of activity and rest, especially over a 24-hour period (the circadian rhythm).
- The field of chronobiology studies how our bodies' internal clocks affect sleep, hunger, and energy.
- Doctors use chronobiology to decide the best time of day to give certain medicines.
- Chronobiology helps explain why some people are early birds and others are night owls.