Estimation of sleep disturbances using wrist actigraphy in patients with postural tachycardia syndrome.

Study Objectives: Patients with postural tachycardia syndrome (POTS) commonly complain of fatigue, unrefreshing sleep, daytime sleepiness and diminished quality of life. The study objective was to assess sleep quality in POTS patients using wrist actigraphy.

Design: Prospective study with control group.