zeitgeber
/ˈzaɪtɡeɪbər/
noun
- An external cue, such as light or temperature, that helps regulate an organism's internal biological clock.
- Regular meal times can act as a zeitgeber for your body's daily rhythms.
- Sunlight is the most powerful zeitgeber for setting your sleep-wake cycle.
- Shift workers often struggle because they lack a consistent zeitgeber like daylight.
Synonyms