Circadian Rhythm Disorders
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Common Questions & Answers

Chung Yoon, MD
Medical Reviewer

Justin Laube, MD
Medical Reviewer
Justin Laube, MD, is a board-certified integrative and internal medicine physician, a teacher, and a consultant with extensive expertise in integrative health, medical education, and trauma healing.
He graduated with a bachelor's in biology from the University of Wisconsin and a medical degree from the University of Minnesota Medical School. During medical school, he completed a graduate certificate in integrative therapies and healing practices through the Earl E. Bakken Center for Spirituality & Healing. He completed his three-year residency training in internal medicine at the University of California in Los Angeles on the primary care track and a two-year fellowship in integrative East-West primary care at the UCLA Health Center for East-West Medicine.
He is currently taking a multiyear personal and professional sabbatical to explore the relationship between childhood trauma, disease, and the processes of healing. He is developing a clinical practice for patients with complex trauma, as well as for others going through significant life transitions. He is working on a book distilling the insights from his sabbatical, teaching, and leading retreats on trauma, integrative health, mindfulness, and well-being for health professionals, students, and the community.
Previously, Dr. Laube was an assistant clinical professor at the UCLA Health Center for East-West Medicine and the David Geffen School of Medicine at UCLA, where he provided primary care and integrative East-West medical consultations. As part of the faculty, he completed a medical education fellowship and received a certificate in innovation in curriculum design and evaluation. He was the fellowship director at the Center for East-West Medicine and led courses for physician fellows, residents, and medical students.

Daniel Barone, MD
Medical Reviewer
Daniel Barone, MD, is the associate medical director of the Center for Sleep Medicine at NewYork-Presbyterian/Weill Cornell Medical Center, where he is also an associate attending neurologist. In addition, he is an associate professor of clinical neurology at Weill Cornell Medical College. He specializes in the evaluation and management of patients with all forms of sleep disorders, including sleep apnea, restless legs syndrome, insomnia, and narcolepsy.
He received his medical degree from New York Medical College in 2006 after graduating summa cum laude from Fordham University in 2001. He completed an internship in internal medicine at St. Vincent's Catholic Medical Center in 2007. The majority of his neurology training was also at St. Vincent's, where he was named chief resident. After St. Vincent's closed in March 2010, he completed his residency in neurology at Beth Israel Medical Center in June 2010, followed by a fellowship in sleep disorders at Stony Brook University Medical Center.
He is certified by the American Board of Psychiatry and Neurology in both neurology and sleep medicine. He is a member of the American Academy of Neurology and a fellow of both the American Academy of Sleep Medicine and the American Neurological Association.
Dr. Barone is the first author of multiple peer-reviewed publications on a variety of topics in sleep medicine. He has appeared in interviews on CNN and CBS News. His first book, Let’s Talk About Sleep, was published in 2018, and his second book, The Story of Sleep: From A to Zzz, was published in 2023.

Chester Wu, MD
Medical Reviewer
Chester Wu, MD, is double board-certified in psychiatry and sleep medicine. He cares for patients through his private practice in Houston, where he provides evaluations, medication management, and therapy for psychiatric and sleep medicine conditions.
After training at the Baylor College of Medicine and Stanford University School of Medicine, Dr. Wu established the first sleep medicine program within a psychiatric system in the United States while at the Menninger Clinic in Houston.

Seth Gillihan, PhD
Medical Reviewer
- What Are Circadian Rhythms? Mayo Clinic Store. December 24, 2024.