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Our Team

Sleep Disorders Faculty

photo of Dr. Jennifer Accardo

Accardo, Jennifer, MD

Assistant Professor of Neurology and Pediatrics
Photo of Dr. Jeffrey Michael Ellenbogen, M.D.

Ellenbogen, Jeffrey Michael, M.D.

Assistant Professor of Neurology
Assistant Professor of Neurology
Photo of Dr. Charlene Edie Gamaldo, M.D.

Gamaldo, Charlene Edie, M.D.

Associate Professor of Neurology
Assistant Professor of Medicine
Joint Appointment in Psychiatry and Behavioral Sciences
Medical Director, Johns Hopkins Sleep Disorders Center
Photo of Dr. Jonathan Jun, M.D.

Jun, Jonathan, M.D.

Assistant Professor of Medicine
Photo of Dr. Susheel Pandit Patil, M.D., Ph.D.

Patil, Susheel Pandit, M.D., Ph.D.

Assistant Professor of Medicine
Clinical Director, Johns Hopkins Sleep Medicine
Photo of Dr. Vsevolod Y Polotsky, M.D., Ph.D.

Polotsky, Vsevolod Y, M.D., Ph.D.

Associate Professor of Medicine
Photo of Dr. Rachel Marie E Salas, M.D.

Salas, Rachel Marie E, M.D.

Associate Professor of Neurology
Photo of Dr. Michael Timothy Smith, M.A., Ph.D.

Smith, Michael Timothy, M.A., Ph.D.

Professor of Psychiatry and Behavioral Sciences
Professor of Neurology
Alafousos Scholar
Director, Center for Behavior and Health
Director, Behavioral Sleep Medicine Program
Co-Director, Johns Hopkins Center for Sleep-Related Symptom Science
photo of Dr. Adam Spira

Spira, Adam, PhD

Assistant Professor, Department of Mental Health
The Johns Hopkins Bloomberg School of Public Health
Photo of Dr. Mark Nan Wu, M.D., Ph.D.

Wu, Mark Nan, M.D., Ph.D.

Associate Professor of Neurology
Associate Professor of Medicine
Associate Professor of Neuroscience


Sleep Disorders Staff

photo of Bernadette Clark

Clark, Bernadette

Senior Medical Office Coordinator

Gulyani, Seema

Nurse Practitioner
photo of Sherry Hill

Hill, Sherry

Registered Polysomnographic Technologist



Suspect a Sleep Disorder? A New App Can Help

MySleep-101 puts insights from Johns Hopkins sleep specialists on clinicians’ smartphones and tablets.
Learn more

Circadian Rhythms

What makes one person greet the day with smiles and energy, and another hide under the covers until the last possible moment? It's a combination of genetics, the environment and our lifestyle choices, says sleep specialist Mark Wu.
Learn more

Our Experts in the News

Johns Hopkins Doctors Develop App to Identify Sleep Disorders (Baltimore Business Journal)

6 Things No One Tells You About Sleepwalking with insights from Dr. Charlene Gamaldo

Learn from Dr. Rachel Salas about the benefits of a "sleep buddy"

Listen to Dr. Jeff Ellenbogen discuss How Sounds Undermine Sleep

Sleeping by Example: Interview with Leading Researcher and Johns Hopkins Neurologist, Dr. Rachel Salas

A new study's surprising news about how many Americans sleepwalk

Out-of-State and International Patients - Find Out More


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