A Study Using A Motion Device to Estimate Sleep Timing and Duration in Patients with Autonomic Dysfunction


About this study

The purpose of this study is to gain a better understanding of the sleep quality and fatigue complaints of adolescent orthostatic intolerance (OI) and postural orthostatic tachycardia syndrome (POTS) patients by objectively measuring sleep duration and timing with actigraphy. Sleep questionnaire will be administered to assess subjective sleep complaints and correlate them with objective findings.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Adolescent patients between 12 and 18 years old, inclusive.
  • Patients being evaluated at the Pediatric Diagnostic Referral Clinic for symptoms of suspected orthostatic intolerance (OI), postural orthostatic tachycardia syndrome (POTS), or autonomic dysfunction or already carry diagnosis of OI, POTS, or autonomic dysfunction. Identified with pre-appointment triaging to have any of the following symptoms: dizziness, lightheadedness, fainting, heart racing, shortness of breath, vision changes, fatigue, exercise intolerance, and chest pain when standing.

Exclusion Criteria:

  • Age not within 12-18 years old.
  • Lack of assent from child to participate/wear actigraph.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Robin Lloyd, M.D.

Closed for enrollment

Contact information:

Robin Lloyd M.D.

(507) 266-1066


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