We are looking for healthy men to participate in a research study on the effects of sleep restriction on bone density.

Study duration:

• One week outpatient and eight-night inpatient stay, with an optional three week additional observation phase

You may qualify if you:

• Are a healthy man aged 20-65 years old
• Habitually sleep 7-9 hours per night
• Have not done shift work in the past year
• Do not currently smoke

Benefits for study volunteers:

• Measurement of bone density and baseline labs
• Meals provided for 2 weeks
• Compensation will be provided

If you are interested in participating in the “SIIB” study (Sleep disruption-Induced Impairments in Bone Formation), email SleepyBoneHead@UCDenver.edu for study details (PI Christine Swanson, MD, MCR, COMIRB # 18-0015).