The CU Boulder Sleep and Chronobiology Lab is looking for males and females, ages 16–30, to participate in a study. The purpose of the study is to understand mechanisms of delayed sleep-wake phase disorder (DSWPD). The study is 6.5 weeks long with six in-person visits.

You may be eligible for this study if you are:

• Ages 16–30
• Have with a diagnosis of delayed-sleep wake phase disorder or have late bedtimes after 1 a.m., an inability to fall asleep and difficulty awakening when required for school/work
• Are healthy with typical bedtimes and no sleep concerns

Study activities include:

• Health screening
• Monitor on separate occasions your sleep, mood, eating times for one or two weeks and blood sugar levels while living at home
• Live in the sleep laboratory on two separate occasions for 48–66 hours (~4.87 days in total)
• Blood and saliva sampling
• Reaction time, mood and ability to think testing

Compensation is up to $1,750.