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Non-24-Hour Sleep-Wake Disorder: A Case-Based Discussion on Diagnosis and Treatment

Non-24-Hour Sleep-Wake Disorder: A Case-Based Discussion on Diagnosis and Treatment



Time to Complete

30 minutes


February 8, 2017


February 8, 2018
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Maximum Credits

0.50 / AMA PRA Category 1 Credit(s)TM

Accredited Provider

This activity is jointly provided by Global Education Group and Integritas Communications.

Commercial Supporter

This activity is supported by an educational grant from Vanda Pharmaceuticals, Inc.

Program Description

Non-24 disorder is characterized by complaints of insomnia and/or excessive daytime sleepiness that result from a progressive desynchronization of the earth’s usual 24-hour light/dark cycle and the individual’s endogenous circadian rhythms.1,2 As many as half of totally blind patients suffer from non-24 disorder, and the incidence of non-24 disorder also appears to be more common than previously appreciated in sighted individuals in their teens and 20s.3,4 Non-24 disorder is underdiagnosed, in part because patients do not proactively discuss sleep-related issues with their healthcare providers, and time-limited clinicians often do not regularly inquire about insomnia or excessive sleepiness.5,6 Moreover, until recently, treatment recommendations were largely based on case series and clinical experience rather than well-designed clinical trials.6,7 This case-based POC 101 program will educate clinician-learners regarding the pathophysiologic basis of non-24 disorder, current diagnostic criteria, behavioral approaches to improving sleep hygiene and daily scheduling, and evidence-based pharmacologic interventions.

1. Zee PC, Attarian H, Videnovic A.. Circadian rhythm abnormalities. Continuum (Minneap Minn). 2013;19(1 Sleep Disorders):132-147.
2. American Academy of Sleep Medicine. International Classification of Sleep Disorders Diagnostic and Coding Manual, Third Edition (ICSD-3). 3rd ed. Westchester, IL: 2014.
3. Uchiyama M, Lockey SW. Non-24–hour sleep-wake syndrome in sighted and blind patients. Sleep Med Clin. 2015;10(4):495-516.
4. Hayakawa T, Uchiyama M, Kamei Y, et al. Clinical analyses of sighted patients with non-24–hour sleep-wake syndrome: A study of 57 consecutively diagnosed cases. Sleep. 2005;28(8):945-952.
5. National Sleep Foundation. 2009 Sleep in America Poll: Health and Safety. Sleep Health. 2009:1(2)e8.
6. Sorscher AJ. How is your sleep: A neglected topic for health care screening. J Am Board Fam Med. 2008;21(2):141-148.
7. Auger RR, Burgess HJ, Emens JS, Deriy LV, Thomas SM, Sharkey KM. Clinical practice guideline for the treatment of intrinsic circadian rhythm sleep-wake disorders: advanced sleep-wake phase disorder (ASWPD), delayed sleep-wake phase disorder (DSWPD), non-24–hour sleep-wake rhythm disorder (N24SWD), and irregular sleep-wake rhythm disorder (ISWRD). An update for 2015. J Clin Sleep Med. 2015;11(10):1199-1236.
8. Lockley SW, Dressman MA, Licamele L, et al. Tasimelteon for non-24–hour sleep–wake disorder in totally blind people (SET and RESET): two multicentre, randomised, double-masked, placebo-controlled phase 3 trials. Lancet. 2015;386(10005):1754-1764.

Intended Audience

The educational design of this activity addresses the needs of primary care providers (PCPs), sleep specialists, and other clinicians involved in the identification and ongoing treatment of patients with non-24–hour sleep-wake disorder (non-24 disorder).

Educational Objectives

Upon completion of this activity, participants will be better prepared to:

  • Diagnose non-24–hour sleep-wake disorder based on presenting symptoms, a comprehensive sleep history, and published diagnostic criteria
  • Tailor therapeutic regimens for patients with non-24–hour sleep-wake disorder, including appropriate combinations of nonpharmacologic and pharmacologic modalities
  • Educate patients with non-24–hour sleep-wake disorder on the deleterious effects of disrupted circadian rhythms, behavioral management strategies, and pharmacologic treatment options

Conflict Of Interest Disclosure Policy

Global Education Group (Global) requires instructors, planners, managers, and other individuals and their spouse/life partner who are in a position to control the content of this activity to disclose any real or apparent conflict of interest they may have as related to the content of this activity. All identified conflicts of interest are thoroughly vetted by Global for fair balance, scientific objectivity of studies mentioned in the materials or used as the basis for content, and appropriateness of patient care recommendations.


Karl Doghramji, MD
Professor of Psychiatry, Neurology, and Medicine
Medical Director, Jefferson Sleep Disorders Center
Program Director, Fellowship in Sleep Medicine
Thomas Jefferson University
Philadelphia, PA

Dr. Doghramji has nothing to disclose.

Paul P. Doghramji, MD, FAAFP
Family Physician
Collegeville Family Practice
Medical Director of Health Services
Ursinus College
Collegeville, PA

Dr. Doghramji discloses:
Consultant: AstraZeneca, Merck & Co., Inc., Teva Pharmaceutical Industries Ltd.
Speakers Bureau: Merck & Co., Inc., Takeda Pharmaceuticals U.S.A., Inc., Teva Pharmaceutical Industries Ltd.

Planners' and Managers' Disclosures

The planners and managers reported the following financial relationships or relationships to products or devices they or their spouses/life partners have with commercial interests related to the content of this CME activity:

Amanda Glazar, PhD, has nothing to disclose.
Andrea Funk, has nothing to disclose.
Laura Gilsdorf has nothing to disclose.
Jim Kappler, PhD, has nothing to disclose.




AMA PRA Category 1 Credit(s)TM

Accreditation Statement

This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of Global Education Group (Global) and Integritas. Global is accredited by the ACCME to provide continuing medical education for physicians.

Designation Statement

Global Education Group designates this enduring material for a maximum of 0.50 AMA PRA Category 1 CreditTM. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

Disclosure of Unlabeled Use

This educational activity may contain discussion of published and/or investigational uses of agents that are not indicated by the FDA. Global Education Group (Global) and Integritas do not recommend the use of any agent outside of the labeled indications.

The opinions expressed in the educational activity are those of the faculty and do not necessarily represent the views of any organization associated with this activity. Please refer to the official prescribing information for each product for discussion of approved indications, contraindications, and warnings.


Participants have an implied responsibility to use the newly acquired information to enhance patient outcomes and their own professional development. The information presented in this activity is not meant to serve as a guideline for patient management. Any procedures, medications, or other courses of diagnosis or treatment discussed in this activity should not be used by clinicians without evaluation of patient conditions and possible contraindications on dangers in use, review of any applicable manufacturer’s product information, and comparison with recommendations of other authorities.

Fee and Refund / Cancellation Policy

There is no fee for this educational activity.


In order to receive credit, participants must complete the pre-assessment questions, post-test, and program evaluation. Participants must also score at least 70% on the posttest. Certificates will be distributed online at the conclusion of the activity. Your online certificate will be saved on myCME within your Profile/CME History, which you can access at any time.

For information about the accreditation of this program, please contact Global at 303-395-1782 or

If you have any other questions relating to your certificate or other issues with the activity, please contact

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