Clinical Trials

Inclusion Criteria:

• Adults 18 years of age and older.
• Healthy subjects without known cardiovascular disease and thyroid disease.
• Subjects who are on no medications (except oral contraceptive pill).
• Nonsmokers.
• No prior history of caffeine sensitivity or allergy.

Exclusion Criteria:           

• Subjects with known cardiovascular or thyroid disease.
• Subjects currently taking medications other than oral contraceptive pill.
• Smokers.
• Prior history of caffeine sensitivity or allergy.
• Pregnancy.
• • •  
• Subjects who regularly consume energy drinks.
• Subjects who typically go to sleep after midnight.
• Subjects who traveled across 2 time zones in the last 7 days.
• Shift workers.
• Subjects who have or are suspected to have sleep apnea.
• Subjects who have a body mass index > 35kg/m^2.

Eligibility last updated 3/7/22. Questions regarding updates should be directed to the study team contact.