https://en.wikipedia.org/wiki/Chronobiology
Center for Circadian Biology: https://ccb.ucsd.edu
Introduction to chronobiology: https://ccb.ucsd.edu/the-bioclock-studio/education-resources/basics/index.html
Sleep and behavior: https://ccb.ucsd.edu/research/sleep-behavior.html
The Society for Light Treatment and Biological Rhythms (SLTBR)
Society for Research on Biological Rhythms (SRBR)
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Manipulating clocks through exercise
Phyllis Zee, Sleeping well to stave off dementia
The Munich Chronotype Questionnaire https://www.thewep.org/documentations/mctq
https://www.nature.com/articles/497S10a
https://www.circadianoptics.com/
https://sltbr.org/wp-content/uploads/2019/04/Perspectives-in-affective-disorders-EJN-2019.pdf
https://www.myluminette.com/en-us/luminette
Chronobiology.com: https://www.chronobiology.com