The Sleep Center offers a multidisciplinary approach to the diagnosis of snoring and sleep apnea. The expertise of our physicians, technologists, and therapists, combined with advanced diagnostic technology, offers you and your physician an in-depth diagnostic evaluation and appropriate treatment options. The sleep study records your sleep patterns, which include activities of your heart, lungs, brain, muscle movements, air flow, and oxygen levels in your blood. The test will be performed overnight in the hospital as an outpatient procedure.

The Sleep Center accommodations feature 6 bedrooms with cable TV and private bathrooms. And our fee is reasonable and is covered by a majority of insurance companies and managed care organizations. Check with your insurance company to determine if a referral from your physician is required.

Sleep Center

Call for more information or to schedule an appointment.


The Sleep Center at Phelps is a state-of-the-art diagnostic facility dedicated to diagnosis of sleep disorders. The Center is accredited by the American Academy of Sleep Medicine, the gold standard by which the medical community and public evaluate sleep disorder programs. The Sleep Center is capable of diagnosing a full spectrum of sleep disorders. Using the latest diagnostic equipment, our credentialed staff can determine if you are experiencing sleep apnea or other less common sleep disorders, such as narcolepsy or periodic leg movement. Patients enjoy comfortable, private rooms. We also offer sleep studies for children, from two years of age and up, under the guidance of a Board Certified Pediatric Sleep Specialist.

Sleep apnea

Over 18 million Americans have sleep apnea, a serious disorder that causes breathing difficulty during sleep. With sleep apnea, there are pauses in breathing during sleep that result in lower levels of oxygen in your blood. Loud snoring may be the signal that something is seriously wrong. It occurs because the airway is not fully open, and the noise of snoring comes from the effort to force air through the narrowed passageway.

Your body will fight to get the oxygen it needs. If your airway is constricted, it may wake you up a little or it may wake you up a lot. In either case, the depth of your sleep will be impaired. If you are experiencing chronic fatigue or daytime sleepiness or are waking up tired every day, you may have sleep apnea, which is associated with an increased risk for heart disease, stroke, and high blood pressure, as well as a higher risk of having an automobile accident.

There are multiple options for treatment of sleep apnea, and the Sleep Center, our affiliated physicians and dentists can help you find the treatment that is right for you. Positive Airway Pressure is the most common and most effective non-invasive treatment. The Sleep Center can determine the pressure needed for your effective PAP treatment and can facilitate initiation of this therapy. Oral Appliance Therapy is an alternative therapy for sleep apnea. The Sleep Center performs oral appliance titrations to determine the exact setting for effective oral appliance therapy. Surgical options are also available as therapy for apnea or as an aid to effective PAP therapy.

Treatment can improve overall health and quality of life. Though not all snorers have sleep apnea. A proper diagnosis is essential to rule out this condition. If you feel you have a problem, you should first consult with your primary physician. Talk to your doctor about snoring, fatigue, and other sleep problems. If you and your doctor feel that you would benefit from a sleep evaluation, the staff of the Sleep Center is prepared to provide a complete diagnosis at our state-of-the-art sleep center.

Patient sleep quiz

If you answer Yes to any of the questions below, you (or your child) might have a sleep disorder.

 I snore.
 I wake up tired.
 I wake up gasping.
 I wake up with a sore throat.
 I have trouble losing weight.
 I frequently wake up to use the bathroom.
 It is hard for me to stay awake while driving.
 I have fallen asleep while laughing or crying.
 I wake up with pain and numbness in my legs.
 I have difficulty falling asleep or remaining asleep.
 I have been told that I stop breathing while I sleep.
 My child has behavioral problems.

Sleep Center Staff

Steven Thau, MD, ABSM, ABIM Diplomate in Sleep Medicine

Sleep Center Medical Director
Specialty: Pulmonary Medicine, Sleep Medicine
Board certified: Pulmonary Disease, Sleep Medicine, Critical Care Medicine

Primary Practice
777 North Broadway
Suite 308
Sleepy Hollow, NY 10591
(914) 269-1708

Charles J. Abate, MD, ABIM, Diplomate in Sleep Medicine

Specialty: Pulmonary Medicine, Sleep Medicine
Board certified: Internal Medicine, Pulmonary Medicine, Critical Care, Sleep Medicine
Additional languages: Spanish
Primary Practice
310 North Highland Avenue
Suite 4
Ossining, NY 10562
(914) 762-4141

Michael Bergstein, MD, FACS

Specialty: Otolaryngology
Board certified: Otolaryngology
Primary Practice
ENT Allergy Associates, LLP
358 North Broadway
Sleepy Hollow, NY 10591
(914) 631-3053

Gary R. Lehrman, MD, ABIM, Diplomate in Sleep Medicine

Specialty Internal Medicine, Pulmonary Medicine, Sleep Medicine
Board certified: Internal Medicine, Pulmonary Medicine, Critical Care, Sleep Medicine

Primary Practice
362 North Broadway First Floor
Sleepy Hollow, NY 10591
Phone: 914-269-1730


Phelps Memorial Hospital Center
701 North Broadway
Sleepy Hollow, NY 10591
(914) 366-3626



Monday – Friday
9 am – 5 pm

Sleep Studies:

Monday – Saturday
8:30 pm – 6:30 am