chronobiologist
/ˌkrɑnoʊbaɪˈɑlədʒɪst/
noun
- A scientist who studies biological rhythms, such as sleep-wake cycles, seasonal changes, and other natural time-related processes in living organisms.
- A chronobiologist at the university is researching how jet lag impacts athletes' performance.
- My cousin wants to become a chronobiologist because she is fascinated by why some people are night owls.
- The chronobiologist explained how our internal body clock affects when we feel hungry.