Participants will be paid. 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.
For more information call 496-5831. The HLA Laboratory is interested in analyzing the T-cell receptor repertoire of normal identical twin pairs. Normal healthy adult identical twin pairs are needed for this study. Each twin pair should be willing to undergo thorough medical history, HLA testing, complete blood count and leukopheresis. Optimally, subjects should be available for further questioning about their previous and subsequent medical history.