Gerard J. Meskill, MD, FAASM Profile Image

Gerard J. Meskill, MD, FAASM

Medical Reviewer
Board-Certified Sleep Medicine Physician

Biography

Dr. Gerard J. Meskill is a neurologist and sleep medicine physician specializing in the diagnosis and treatment of sleep disorders, including narcolepsy, obstructive sleep apnea, and insomnia. He is board-certified in both neurology and sleep medicine and has extensive experience helping patients manage complex sleep conditions and disorders of excessive daytime sleepiness.

Dr. Meskill earned his medical degree from the State University of New York Downstate College of Medicine. He completed an internal medicine internship followed by a neurology residency at Long Island Jewish Medical Center, where he served as chief resident, before pursuing fellowship training in sleep medicine at Stanford University.

He is the founder and CEO of Tricoastal Narcolepsy and Sleep Disorders Center in the greater Houston, Texas area, where he treats patients with a wide range of sleep disorders and leads clinical research initiatives focused on narcolepsy and obstructive sleep apnea.

In addition to his clinical practice, Dr. Meskill has served as a principal investigator in multiple clinical trials studying therapies for narcolepsy and sleep apnea and has published research in peer-reviewed journals and medical texts. He also founded A.W.A.K.E. Greater Houston, a patient support group for people living with narcolepsy and other sleep disorders.

Education

  • Medical Degree: State University of New York (SUNY) Downstate College of Medicine
  • Residency: Long Island Jewish Medical Center
  • Fellowships: Stanford University
  • Board Certifications:
  • Neurology — American Board of Psychiatry and Neurology
  • Sleep Medicine — American Board of Psychiatry and Neurology

Read Dr. Meskill's Latest Medically Reviewed Articles

CPAP Filters

November 3, 2025

CPAP Filters

CPAP filters play an important role in ensuring safe, quality CPAP treatment. Learn about CPAP filter purposes, types, and recommended…

CPAP Compliance

April 10, 2026

CPAP Compliance

CPAP compliance refers to how consistently someone is using therapy. Learn why it matters, common challenges, and ways to improve…

person with a headache

March 4, 2026

Can Sleep Apnea Cause Headaches?

Are you struggling with morning headaches? Learn more about sleep apnea headaches and how they are treated.

man with Sleep Apnea sleeping on his side

October 22, 2025

Best Sleep Position for Sleep Apnea

Wondering what sleeping position might help you manage your sleep apnea? Learn which sleeping positions alleviate or intensify symptoms.

mature person checking skin for dermatitis

March 4, 2026

How to Treat CPAP Dermatitis

CPAP therapy can cause dermatitis, which may involve redness, itching, or soreness where the mask touches the face. Learn how…

obese man snoring

May 12, 2026

Obesity Hypoventilation Syndrome (OHS)

If you have obesity and trouble breathing, it could be obesity hypoventilation syndrome (Pickwickian syndrome). Learn about this condition and…

person disturbed by partner's snoring

January 5, 2026

Is Snoring Bad for You?

Concerned about snoring? Learn when snoring is harmless, when it may signal sleep apnea, and what symptoms mean it’s time…

Snoring During Pregnancy

June 23, 2026

Snoring During Pregnancy

Physical changes during pregnancy often cause snoring. Learn about snoring in pregnancy including what causes it, whether it’s dangerous, and…

Alcohol and Sleep Apnea

March 4, 2026

Alcohol and Sleep Apnea

Drinking alcohol can exacerbate sleep apnea and other sleeping problems. Learn about the link between alcohol and sleep apnea and…

woman waking up gasping for air

April 29, 2026

Paroxysmal Nocturnal Dyspnea

Both sleep apnea and paroxysmal nocturnal dyspnea can cause you to wake up at night, gasping for breath. Learn more…

man using pulse oximeter

March 4, 2026

Blood Oxygen Levels While Sleeping

Blood oxygen levels measure whether a person has enough oxygen in their body. Learn about the meaning of drops in…

woman speaks with doctor about heart disease

April 21, 2026

How Does Sleep Apnea Affect the Heart?

Sleep apnea is linked to heart disease, heart failure, and other heart-related conditions. Learn how sleep apnea affects the heart…

Woman drinking water

March 4, 2026

CPAP Dry Mouth

Experiencing dry mouth from your CPAP machine? We discuss the causes of dry mouth and how to prevent it to…

Woman visiting her doctor regarding sleep apnea solutions

June 3, 2026

What Is a Micro-CPAP Device?

Micro-CPAP devices promise to treat sleep apnea without hoses, masks, or bulky machines. Learn how they're supposed to work and…

Man getting an Obstructive Sleep Apnea diagnosis

April 29, 2026

Obstructive Sleep Apnea Diagnosis

Doctors take several factors into account when diagnosing obstructive sleep apnea. Learn how sleep apnea is diagnosed, including in-lab and…

A patient receives a prescription for a CPAP from their doctor

October 8, 2025

Do You Need a Prescription for a CPAP Machine?

Wondering how to get a CPAP machine and whether you need a prescription? We discuss when to talk to a…

Woman wondering id medical insurance covers CPAP

April 10, 2026

Does Insurance Cover CPAP Machines?

Insurance coverage for CPAP machines varies by plan. Learn how Medicare, Medicaid, and private health insurance plans work for CPAP…

Two bottles of water against a blue backdrop

April 1, 2026

Can You Use Purified Water in a CPAP Machine?

Purified water, spring water, mineral water — which one is best for a CPAP humidifier? Learn why distilled water is…

A woman adjusts her CPAP mask

November 24, 2025

CPAP Machine Side Effects

CPAP machines are an effective treatment for sleep apnea but may also cause side effects. Learn how to prevent and…

Calm man with glasses relaxing at work with his hands supporting his head

March 4, 2026

CPAP Benefits

Has a doctor recommended you use a CPAP machine? Learn about the benefits of CPAP treatment and why the therapy…

Man in a military uniform sits on a couch with his head in his hands

May 18, 2026

PTSD and Sleep Apnea

PTSD and sleep apnea often occur together. Learn how they’re connected, including their shared symptoms, and what treatment options may…

A young girl peacefully sleeping on a pillow, enveloped in soft light and comfort

June 23, 2026

Snoring in Children

Snoring is a common condition in children of all ages. Learn when to be concerned about snoring and how doctors…

Woman visiting her doctor regarding sleep apnea solutions

March 19, 2026

Sleep Apnea Treatment

If you've been diagnosed with sleep apnea, treatment can improve sleep quality and overall health. Learn about proven therapies and…

Can Sleep Apnea Cause Weight Gain?

January 5, 2026

Can Sleep Apnea Cause Weight Gain?

Gaining weight increases the risk of sleep apnea, but does sleep apnea cause weight gain? Learn more about the connection…

Older man holding a cpap mask

March 4, 2026

How to Use a CPAP Machine

Getting started with CPAP therapy? Learn how to set up and use a CPAP machine including tips to help you…

How Much Does a CPAP Machine Cost?

April 10, 2026

How Much Does a CPAP Machine Cost?

CPAP machine prices can vary widely. Learn about the typical pricing for CPAP machines and accessories, as well as tips…

A full face cpap mask against a white background

August 25, 2025

APAP vs. CPAP

APAP and CPAP are both treatments for people with sleep apnea. Learn more about these treatments, how they differ, and…

CPAP Pressure Settings

March 23, 2026

CPAP Pressure Settings

Not sure what your CPAP pressure setting means? Learn what the numbers mean, how CPAP pressure works, and how to…

Close up of a senior man snoring in bed

December 15, 2025

Is Sleep Apnea Genetic?

Some genes and inherited traits are associated with obstructive sleep apnea. Learn about these, as well as the risk factors…

Complex Sleep Apnea

July 1, 2026

Complex Sleep Apnea

Complex sleep apnea occurs when both obstructive and central apneas are present. Learn what causes it, how it’s diagnosed, and…

A girl sleeping peacefully in bed

March 4, 2026

Respiratory Rate While Sleeping

Curious about your respiratory rate while sleeping? We discuss rates by age group, what it means about your health, and…

CPAP Mask Types

March 12, 2026

CPAP Mask Types

Undecided about which style of CPAP mask to purchase? We'll walk you through the CPAP mask types and explain the…

A doctor consulting with a patient in an office, discussing a medical chart.

July 1, 2026

Hypoglossal Nerve Stimulation

Hypoglossal nerve stimulation is a sleep apnea treatment that uses an implantable electrical device. Learn how it works and who…

woman sitting at a computer, not feeling well

July 7, 2026

CPAP and COVID-19

Using CPAP if you've tested positive for COVID-19 raises important questions. Learn what to know about safety, transmission concerns, and…

Stages of Sleep

March 4, 2026

Stages of Sleep

Have you wondered about the stages of sleep and how they impact your health? We cover each stage of the…

Can Sleep Apnea Cause High Blood Pressure?

November 12, 2025

Can Sleep Apnea Cause High Blood Pressure?

Studies have found links between obstructive sleep apnea and high blood pressure. Learn how sleep apnea may cause hypertension and…

Cheyne-Stokes Respirations

April 23, 2026

Cheyne-Stokes Respirations

Cheyne-Stokes respirations are a pattern of breathing that can happen in people with central sleep apnea. Learn more about this…

Orthopnea

June 8, 2026

Orthopnea

Do you have trouble breathing or feel short of breath while lying flat on your back? Learn about this condition,…

Hypercapnia (Hypercarbia)

March 18, 2026

Hypercapnia (Hypercarbia)

Hypercapnia describes excess carbon dioxide in the blood. Learn about this potential consequence of sleep apnea, as well as symptoms…

Mallampati Score and Sleep Apnea

October 27, 2025

Mallampati Score and Sleep Apnea

The Mallampati score is a helpful tool that may predict a person’s likelihood of having obstructive sleep apnea. Learn more…

How to Sleep With Allergies

June 8, 2026

How to Sleep With Allergies

Allergies can cause uncomfortable symptoms and make it difficult to sleep. Learn how allergies affect sleep and steps to reduce…

How to Keep Your Mouth Closed With CPAP

May 12, 2026

How to Keep Your Mouth Closed With CPAP

Mouth leaks can reduce the effectiveness of CPAP therapy. Learn how to keep your mouth closed with CPAP, including whether…

Overlap Syndrome: COPD and Sleep Apnea

March 13, 2026

Overlap Syndrome: COPD and Sleep Apnea

Overlapping COPD and obstructive sleep apnea can increase the risks of both diseases. Learn about the diagnosis of overlap syndrome…

man sleeping with cpap machine

March 4, 2026

CPAP Humidifiers

Humidifiers add moisture to your airway and reduce CPAP side effects. Consider size, compatibility, and ease of cleaning when selecting…

talking with a doctor

March 4, 2026

CPAP Titration Study

Has your doctor recommended CPAP titration? Learn what happens during CPAP titration and why it is necessary before beginning CPAP…

How to Stop Snoring

April 24, 2026

How to Stop Snoring

Looking for the facts about snoring? Learn why people snore and find out how both changing everyday habits and medical…

Can You Die From Sleep Apnea?

March 4, 2026

Can You Die From Sleep Apnea?

Untreated sleep apnea can contribute to the risk of disease and sudden death. Learn about sleep apnea and how treatment…

person discussing their sleep health with doctor

March 16, 2026

Sleep Apnea and Pulmonary Hypertension

Pulmonary hypertension is a serious condition that can develop in people with sleep apnea. Learn about the link between these…

a young girl sleeping under colorful blankets and snoring softly

March 6, 2026

Sleep Apnea in Children

Obstructive sleep apnea affects children as well as adults. Learn how to recognize the symptoms of OSA in children, as…