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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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

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

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