Join our research study on sleep and circadian rhythms

The purpose of this study is to examine how light exposure and meal timing influences circadian rhythms in healthy people. We are looking for healthy men and women, ages 17-40 to participate in a study at the University of Colorado-Boulder Sleep and Chronobiology Laboratory.

The study is 7 weeks long with 8 in-person visits.

Participants live in the sleep laboratory on two separate occasions for 7.7 days (15.4 days total).

Main procedures involved:

Health screening

Monitor on two separate occasions your sleep for 2 weeks and blood sugar levels for 3 days at home

Live in the sleep laboratory on two separate occasions for 7.7 days (15.4 days total):

Blood and saliva sampling

Reaction time and ability to think testing

Bright light exposure and earlier meal timing

Compensation is up to $4,093.

Go to https://redcap.link/fmigb271 for study details and to apply.

If you have additional questions or are unable to complete the survey on-line, please call us at

303-735-1923 (M-F, 9am-5pm).