Combined Electroencephalogram, Magnetic Resonance Imaging-Positron Emission Tomography of Dexmedetomidine Induced Sleep

Combined Electroencephalogram, Magnetic Resonance Imaging-Positron Emission Tomography of Dexmedetomidine Induced Sleep

The investigators are doing this research study to find out how and where dexmedetomidine, a sedative anesthetic, acts in the brain. The investigators will do this by using a machine that records the brains electrical activity, called an electroencephalogram (EEG), and brain imaging scans to look at the brain.

Inclusion Criteria:

• American Society of Anesthesiologists (ASA) physical status I
• 18 to 35 years of age

Exclusion Criteria:

• MRI and/or PET screening criteria not met
• Abnormal sleep habits/known or suspected sleep disorder(s)
• Taking medication that alters sleep, cognitive function, or both -History of a known neurological or psychiatric problem -Younger than 18 or older than 35 years of age