Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
University of Pennsylvania
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Adults scheduled for cardiac surgery;
≥18 years of age;
Capable of giving informed consent;
Own a smartphone (Apple devices only).
You may not be if
Taking sleep aids (antihistamines, melatonin, etc.)
History of alcohol abuse (more than 2 drinks a day with last drink within the past 3 days)
History of substance abuse at risk of postoperative withdrawal;
Active diagnosis of alcohol or substance abuse;
Recent travel across more than two (2) time zones (within the past month);
Planned travel across more than two (2) time zones during the planned study activities;
Subjects, who have received an experimental drug, used an experimental medical device within 30 days prior to screening, or who gave a blood donation of ≥ one pint within 8 weeks prior to screening;
Subjects without access to WiFi in their or close to home or at work;
