Join our research study on sleep and circadian rhythms

Looking for people with delayed sleep-wake phase disorder or people with late bedtimes, or healthy people with typical bedtimes

The purpose of this study is to improve our understanding of mechanisms of delayed sleep-wake phase disorder (DSWPD). We are testing patients with DSWPD as well as healthy people without DSWPD. The study is 6.5 weeks long with 6 in-person visits at the University of Colorado Boulder.

You may be eligible for this study if you are a:

Age 16-30

o Have with a diagnosis of delayed-sleep wake phase disorder, OR have late bedtimes after 1AM, an inability to fall asleep and difficulty awakening when required for school/work

o Are healthy with typical bedtimes and no sleep concerns

Study activities include

Health screening

Monitor on separate occasions your sleep, mood, eating times for 1 or 2 weeks and blood sugar levels while living at home

Live in the sleep laboratory on two separate occasions for 48-66 hours (4.75 days in total):

o Blood and saliva sampling

o Reaction time, mood, and ability to think testing

o Compensation is up to $1,725