Participate 

If you are interested in participating in the Light at Night and Sleep in Preschoolers study please contact a project coordinator or click here to access the first screening questionnaire.

If you are interested in participating in the Light in the Morning and Sleep and Preschoolers study please contact a project coordinator or click here to access the first screening questionnaire.

Contact information: 303-492-4584 or sleepdev@colorado.edu.