Free hormonal evaluation and payment are offered to those who complete the study. Long, Short Sleepers Needed To complete a sleep study, NIMH is looking for male and female volunteers ages 20-35 who routinely sleep 9 hours or more nightly, or who sleep 6 or fewer hours nightly. Volunteers must have no sleep disturbances or insomnia, plus no history of mental illness. Volunteers must be in good general health and not taking any medications or birth control pills. The study requires living on the research unit for 4 consecutive days.
Compensation is available.