Behavioral activities that set the circadian rhythem such as eathing, physical activity, and social activitiy.

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Zeitgebers are environmental cues that help align biological clocks with the external environment. Light is an important cue for setting this clock.

Zeitgebers (time givers)

Murray, G., Gottlieb, J., & Swartz, H. (2021). Maintaining daily routines to stabilize mood: Theory, data, and potential intervention for circadian consequences of COVID-10. The Canadian Journal of Psychiatry, 66(1). 9-13. https://doi.org/10.1177/0706743720957825 

Maintaining Daily Routines to Stablizie Mood: Theory, data, and potential intervention for circadian consequences of COVID-19

Nonpotic cues

Events that disrupt the circadian cycle, such as traveling through time zones or light exposure during night. Light exposure could be due to light polution or blue light from screens.

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