A Sedation/Cognition/EEG Study using AZD6280 and Comparator

Exclusion Criteria

• - Clinically significant illness within 2 weeks before the study start.
• - Enrollment in another concurrent investigational study or intake of an investigational drug within 30 days or intake of an investigational drug within a period of 5 half lives of that drug prior to the screening visit
• - Blood loss in excess of 200 mL within 30 days of Day -2, in excess of 400 mL within 90 days of Day -2, or in excess of 1200 mL within 1 year of Day -2
• - Clinically relevant abnormalities in physical examinations, vital signs, ECG, clinical chemistry, hematology or urinalysis