Methods

Below are some of the methods used in current studies

Field Methods

(high-throughput, large-scale, interdisciplinary studies)

• Sleep (wrist actigraphy, diary, ambulatory PSG)
• Physical activity (hip actigraphy)
• Biomarkers of cardiometabolic risk, inflammation, chronic stress
• Dried Blood Spots
• Hair cortisol

Laboratory Methods

(e.g., General Clinical Research Centers, CTSI)

• Metabolism (intravenous glucose tolerance test, standardized meal response)
• Metabolic rate (indirect calorimetry)
• Sleep (polysomnography, actigraphy, diary)
• Endocrine profiles (neuroendocrine function, circadian rhythms)