Sleep Conditions and Symptoms
Narcolepsy, restless legs, parasomnias, snoring, hypopnea and the health conditions linked to poor sleep.
91 guides in this section.
What Is a Hypopnea: What to Expect
A hypopnea is a partial reduction in breathing during sleep. Learn what it means, how it is measured, and what to expect during evaluation at a sleep clinic.
Waking with a Dry Mouth and Sleep Apnea: Symptoms Worth Noting
Waking with a dry mouth can be linked to mouth breathing during sleep, which sometimes occurs with sleep apnea. Learn what symptoms to note and when to speak with your clinician.
Tongue Position and Sleep Apnea: Symptoms Worth Noting
Tongue position during sleep can affect airflow and may contribute to breathing disruptions. Learn what signs to watch for and when to speak with a clinician.
The Apnea Index: What to Expect
The apnea index is a number from a sleep study that counts breathing pauses per hour. Learn what it measures and how clinics use it during evaluation.
Sleep Apnea and Warehouse Workers: What to Know
Warehouse work can involve long shifts, overnight hours, and physical demands that may affect sleep. Learn how sleep apnea relates to warehouse workers and what steps to consider next.
Sleep Apnea and Train Operators: What to Know
Sleep apnea and train operators is an important topic for anyone working in rail transportation. This article explains what sleep apnea is, why it matters for train operators, and how to find a sleep clinic for evaluation.
Sleep Apnea and Tinnitus: What's the Connection?
Sleep apnea and tinnitus may be linked through shared effects on oxygen levels, blood flow, and sleep quality. This article explains what current research suggests and how to discuss symptoms with your clinician.
Sleep Apnea and Teachers: What to Know
Teachers may face sleep challenges from early schedules and classroom demands. Learn how sleep apnea relates to teachers and what steps to consider.
Sleep Apnea and Resident Doctors: What to Know
Sleep apnea and resident doctors often intersect in teaching hospitals and sleep centers. Learn what residents do, how they fit into sleep care teams, and what to expect during your visit.
Sleep Apnea and Psoriasis: What's the Connection?
Researchers have observed that sleep apnea and psoriasis may occur together more often than expected, though the exact relationship is still being studied.
Sleep Apnea and Police Officers: What to Know
Sleep apnea is common among police officers due to shift work and irregular sleep schedules. Learn about screening options, sleep studies, and how to find a sleep clinic near you.
Sleep Apnea and Pilots: What to Know
Sleep apnea can affect alertness and fitness-to-fly decisions for pilots. Learn about screening, evaluation, and how to compare sleep clinics in the directory.
Sleep Apnea and Paramedics: What to Know
Paramedics may face unique sleep challenges due to shift work and irregular schedules. Learn how sleep apnea screening and evaluation can support long-term health and job performance.
Sleep Apnea and Oil Rig Workers: What to Know
Sleep apnea and oil rig workers is an important topic for people working offshore shifts who want to understand how sleep health may affect safety and daily functioning. This article explains what sleep apnea is, common risk factors, and practical steps toward evaluation.
Sleep Apnea and Nurses: What to Know
Sleep apnea is a breathing disorder that can affect anyone, including nurses who work irregular shifts. Learn how shift work may influence sleep health and what steps to consider when speaking with your clinician.
Sleep Apnea and Multiple Sclerosis: What's the Connection?
Sleep apnea and multiple sclerosis can overlap, and understanding how they interact may help people discuss symptoms with their care team.
Sleep Apnea and Miners: What to Know
Sleep apnea and miners is a topic worth understanding for anyone working in mining or supporting someone who does. This article explains common risk factors, evaluation steps, and how to find a sleep clinic.
Sleep Apnea and Migraine: What's the Connection?
This article explains how sleep apnea and migraine may be related, what research suggests, and what steps people can take when discussing sleep health with a clinician.
Sleep Apnea and IBS: What's the Connection?
Sleep apnea and irritable bowel syndrome (IBS) are separate conditions, but some research suggests they may overlap through shared factors like inflammation and sleep disruption.
Sleep Apnea and Gout: What's the Connection?
This article explains how sleep apnea and gout may be related and what steps to consider when discussing symptoms with your clinician.
Sleep Apnea and Glaucoma: What's the Connection?
This article explains how sleep apnea and glaucoma may be related and what steps to discuss with your clinician.
Sleep Apnea and Flight Attendants: What to Know
Sleep apnea and flight attendants is an important topic for aviation workers whose irregular schedules can affect sleep health. Learn what to watch for and how to find a sleep clinic.
Sleep Apnea and Firefighters: What to Know
Sleep apnea and firefighters is a growing topic in sleep health. Learn about risk factors, evaluation steps, and how to find a sleep clinic.
Sleep Apnea and Fibromyalgia: What's the Connection?
Research shows a significant overlap between sleep apnea and fibromyalgia, with shared symptoms like fatigue and pain sensitivity. Understanding this link can help guide discussions with your clinician.
Sleep Apnea and Fatty Liver Disease: What's the Connection?
Researchers have observed links between obstructive sleep apnea and non-alcoholic fatty liver disease. This article explains what current evidence shows and what to discuss with your clinician.
Sleep Apnea and Farmers: What to Know
Sleep apnea and farmers face unique overlap because irregular schedules and physical work can affect sleep health. This guide explains what farmers should know about symptoms, evaluation, and next steps.
Sleep Apnea and Epilepsy: What's the Connection?
This article explains how sleep apnea and epilepsy may interact and what patients can discuss with their clinician.
Sleep Apnea and Dialysis: What's the Connection?
Sleep apnea and dialysis often overlap in people with kidney disease. Learn how the conditions may relate and what steps to take when discussing sleep health with your clinician.
Sleep Apnea and Delivery Drivers: What to Know
Delivery drivers with untreated sleep apnea may face fatigue and safety concerns on the road. Learn what to consider when evaluating sleep health and finding a clinic.
Sleep Apnea and COPD: What's the Connection?
Sleep apnea and COPD can both disrupt breathing during sleep, and they sometimes occur together. Learn how the conditions relate and what steps to discuss with your clinician.
Sleep Apnea and Commercial Fishermen: What to Know
Sleep apnea and commercial fishermen is an important topic for people who work irregular shifts at sea. Learn how sleep health may affect safety and what steps to consider next.
Sleep Apnea and Cirrhosis: What's the Connection?
Sleep apnea and cirrhosis may share overlapping risk factors and health effects. Learn what research suggests about their relationship and how patients can discuss both with their clinicians.
Sleep Apnea and Chronic Kidney Disease: What's the Connection?
This article explains how sleep apnea and chronic kidney disease may be related, what research suggests, and what steps people can take when discussing sleep health with a clinician.
Sleep Apnea and Chronic Fatigue Syndrome: What's the Connection?
Sleep apnea and chronic fatigue syndrome can both cause ongoing tiredness, but they are different conditions. Learn how they overlap and when to consider a sleep evaluation.
Sleep Apnea and Chronic Bronchitis: What's the Connection?
Sleep apnea and chronic bronchitis can both affect breathing and sleep quality. Learn how these conditions may overlap and what to discuss with your clinician.
Sleep Apnea and Bus Drivers: What to Know
Sleep apnea and bus drivers is an important safety topic because untreated sleep apnea can affect daytime alertness. This article explains screening, evaluation steps, and where to find professional support.
Sleep Apnea and Asthma: What's the Connection?
Sleep apnea and asthma can overlap and may affect each other in some people. Learn how the conditions interact and what steps to consider when discussing symptoms with your clinician.
Sleep Apnea and Air Traffic Controllers: What to Know
Sleep apnea and air traffic controllers is a topic many shift workers research when evaluating fatigue and sleep health. Learn how screening, sleep studies, and clinic selection may apply to safety-sensitive roles.
Nightmares and Sleep Apnea: Symptoms Worth Noting
Nightmares can occur alongside sleep apnea symptoms, and understanding the connection may help you decide when to speak with a clinician.
Night Sweats and Sleep Apnea: Symptoms Worth Noting
Night sweats can happen for many reasons, and some people wonder whether they connect to sleep apnea. This article reviews what to watch for and when to speak with your clinician.
Morning Headaches That Won't Go Away and Sleep Apnea: Symptoms Worth Noting
Persistent morning headaches may be linked to sleep-disordered breathing. Learn what symptoms to track and how to discuss them with your clinician.
Drooling on the Pillow and Sleep Apnea: Symptoms Worth Noting
Drooling on the pillow can sometimes occur alongside sleep apnea symptoms. Learn what to watch for and when to speak with a clinician.
Mild Obstructive Sleep Apnea: Symptoms, Risks, and Treatment
Mild obstructive sleep apnea is not always mild in its effects. This guide explains the AHI range, the symptoms that matter, and how treatment decisions are made.
Hypopnea vs Apnea: What the Difference Means for Your AHI
Apneas and hypopneas are not the same, even though both count toward your AHI. This guide explains the definitions, the scoring rules, and the questions to ask about your sleep study.
Snoring With Mouth Closed: Causes and What It Means
Snoring with a closed mouth is still snoring. This guide explains the common causes, why it can happen, and the signs that warrant a sleep evaluation.
Narcolepsy Medication: What It Treats and What to Ask
Narcolepsy medication is chosen around symptoms, safety, and daily life. This guide explains the main treatment categories and the questions to ask before starting or changing therapy.
Choking While Sleeping: Causes, Red Flags, and What to Do
Waking up choking is frightening, and the cause is not always obvious. This guide explains the common reasons it happens, the symptoms that need urgent care, and how a clinician sorts it out.
Can Sleep Apnea Kill You? What the Evidence Says
Sleep apnea is associated with serious cardiovascular and driving risks, but the story is more nuanced than a yes-or-no answer. Here is what the evidence shows and what to do next.
Finding Local Sleep Apnea Specialists Easily
Finding a sleep apnea specialist takes more than a map search. This guide shows how to check sleep medicine credentials, insurance, testing, and follow-up before you book.
Sleep Apnea Without Snoring: How It Happens
Loud snoring is the most famous apnea symptom, not a requirement. Some people with obstructive apnea never snore, and that is one reason they get missed.
Sleep Apnea and Stroke: Risk, Recovery, and Treatment
Sleep apnea raises the risk of stroke and is common after one. The connection runs through blood pressure, oxygen, and the heart, and treatment is part of recovery.
Sleep Apnea and GERD: Why the Two Travel Together
Acid reflux and sleep apnea often show up in the same person. The relationship runs both ways, which is why treating one can sometimes improve the other.
Sleep Apnea and Dementia: What the Research Suggests
Sleep apnea has been linked to cognitive decline and a higher risk of dementia, but the evidence is not proof of cause. Treating apnea still matters for sleep, heart, and brain health.
Sleep Apnea and Anesthesia: What to Tell Your Surgical Team
Sleep apnea changes how you respond to sedation and pain medicine. Telling the anesthesia team is not paperwork; it is part of keeping your airway safe.
Opioid-Induced Central Sleep Apnea: What to Know
Opioids can blunt the brain's drive to breathe during sleep. The result can be central apnea that CPAP does not fix, and the prescriber needs to be part of the plan.
Cheyne-Stokes Respiration: Causes, Symptoms, and Treatment
Cheyne-Stokes breathing cycles from deep breaths to shallow ones to a pause, then starts again. It is a pattern, not a disease, and it often points to the heart or brain.
Sleep Apnea and Thyroid Disease: What's the Link?
Hypothyroidism and sleep apnea can mimic each other and make fatigue worse. Here is how they overlap, what tests to ask about, and why both need treatment.
Sleep Apnea Dentist: What a Dentist Can and Can't Do
A dentist can screen, refer, and fit an oral appliance, but cannot diagnose sleep apnea alone. Here is how the medical and dental roles fit together.
Sleep Apnea After Menopause: Why Risk Rises
Sleep apnea risk climbs after menopause, and symptoms often look different in women. Here is why it is missed and what testing and treatment involve.
Sleep Apnea and AFib: Why the Connection Matters
Sleep apnea and atrial fibrillation often overlap. Here is why untreated apnea can make AFib harder to control and what testing and treatment involve.
Sleep Apnea and ADHD in Adults: Overlapping Symptoms
Sleep apnea can look like ADHD in adults, and ADHD can affect sleep. Here is how to tell the difference and why both need proper evaluation.
Zepbound for Sleep Apnea: What the Evidence Shows
Tirzepatide (Zepbound) is FDA-approved for obstructive sleep apnea in adults with obesity. Here is what it can and cannot replace.
Central Sleep Apnea: Causes, Symptoms, and Treatment
Central sleep apnea happens when the brainstem stops sending the signal to breathe. Here is how it differs from OSA and how it is treated.
Untreated Sleep Apnea: Effects on Brain, Heart and Metabolism
Untreated sleep apnea effects reach well beyond feeling tired. Repeated oxygen drops and arousals raise the risk of heart disease, high blood pressure, stroke, diabetes and mood problems, and they…
Snoring vs Sleep Apnea: The Warning Sign
In snoring vs sleep apnea, snoring is the sound of vibrating tissue in a narrowed airway, while sleep apnea is repeated pauses in breathing that reduce oxygen. Snoring can be harmless, but when it…
Sleep Apnea and Type 2 Diabetes
The link between sleep apnea and diabetes runs in both directions. Apnea reduces oxygen and fragments sleep, which worsens insulin resistance and blood sugar control. Meanwhile, excess weight from…
Sleep Apnea Symptoms and Warning Signs
The most common sleep apnea symptoms are loud chronic snoring, witnessed pauses in breathing, gasping or choking awakenings, morning headaches, dry mouth and heavy daytime sleepiness. Subtler sleep…
Sleep Apnea in Women: Why It's Often Missed
Sleep apnea in women is frequently missed because women often do not have the classic loud snoring and witnessed pauses. Instead they report fatigue, insomnia, morning headaches, mood changes and…
Sleep Apnea and High Blood Pressure
The connection between sleep apnea and high blood pressure is one of the strongest in sleep medicine. Repeated breathing pauses trigger surges in stress hormones that push blood pressure up…
Sleep Apnea and Heart Disease: The Connection
The link between sleep apnea and heart disease is well established. Repeated breathing pauses drop oxygen, spike stress hormones and strain the heart, raising the risk of high blood pressure, heart…
Sleep Apnea and Commercial Driving: DOT Requirements
For sleep apnea DOT requirements, commercial drivers are evaluated during their DOT medical exam. If symptoms or risk factors suggest commercial driving sleep apnea, the examiner may require a DOT…
Sleep Apnea and Car Accidents: The Drowsy Driving Risk
Sleep apnea and driving is a serious combination. Untreated apnea causes daytime sleepiness and brief lapses in attention that sharply raise the risk of car accidents. Effective treatment, such as…
Restless Legs Syndrome: When to See a Specialist
Restless legs syndrome is a neurological condition that causes an overwhelming urge to move the legs, usually in the evening or at rest, with uncomfortable sensations. It disrupts sleep and often…
Narcolepsy Symptoms, Diagnosis and Specialists
Narcolepsy diagnosis requires an overnight sleep study and a daytime nap test, and a sleep specialist guides treatment. Recognizing cataplexy, sleep paralysis, and vivid hallucinations helps speed up the process.
Morning Headaches and Sleep Apnea: Is There a Link?
Yes — there is a real link between morning headaches sleep apnea. Repeated pauses in breathing during sleep drop oxygen levels and raise pressure in the head, causing headaches on waking. They often…
Is Snoring Hereditary? Genetics and Family Risk
Yes — is snoring hereditary has a fairly clear answer. Genetics influence the shape of your jaw, tongue, palate and airway, plus body weight and fat distribution, all of which affect snoring. Snoring…
Excessive Daytime Sleepiness: Causes and Red Flags
Common excessive daytime sleepiness causes include not enough sleep, poor sleep quality, sleep apnea, insomnia, medication side effects and medical conditions such as anemia or hypothyroidism. Red…
Complex Sleep Apnea: What It Means for Treatment
Complex sleep apnea is when central apnea events appear (or persist) once you start CPAP for obstructive sleep apnea. It is also called treatment-emergent central apnea. It is usually caught on a…
Central vs Obstructive Sleep Apnea: Key Differences
Both stop your breathing at night, but central and obstructive sleep apnea have different causes, tests and treatments.
Can Sleep Apnea Cause Anxiety and Depression?
Yes — sleep apnea can cause or worsen anxiety and depression. Repeated breathing pauses fragment sleep, drop oxygen levels, and stress the brain, all of which affect mood. Treating the apnea often…
Bruxism: Why You Grind Your Teeth at Night
Bruxism is the habit of clenching or grinding your teeth, often during sleep. It can cause jaw pain, headaches, worn teeth, and disturbed sleep. Common contributors include stress, sleep apnea…
Sleep Apnea and Weight Gain: The Real Link
Can sleep apnea cause weight gain? Yes — and weight gain can worsen sleep apnea too. The relationship runs both ways. Fragmented sleep raises hunger hormones and cravings, lowers energy for activity…
Is Sleep Apnea Genetic?
Sleep apnea has a genetic component. Family history raises your risk, largely because you can inherit features such as jaw shape, airway structure, and body-fat distribution. Genes are not the whole…
Sleep Apnea Treatment Options: CPAP, Oral Appliances, and Surgery
CPAP is not the only treatment for obstructive sleep apnea. Here is how oral appliances, surgery, weight loss and nerve stimulation compare.
How to Tell If You Have Sleep Apnea
The most common signs of sleep apnea are loud snoring, gasping or choking during sleep, pauses in breathing noticed by a partner, morning headaches, a dry mouth, and heavy daytime sleepiness. You…
Shift Work Sleep Disorder: How to Cope
Shift work sleep disorder is a circadian rhythm problem that affects people who work nights or rotating shifts. It causes insomnia when you try to sleep and excessive sleepiness during your shift…
Circadian Rhythm Disorders: Types, Symptoms, and Treatment
When your body clock is out of sync with your life, sleep problems follow. Here are the main circadian rhythm disorders and what helps.
Excessive Daytime Sleepiness: Causes and Fixes
Excessive daytime sleepiness (EDS) is a persistent feeling of drowsiness or a strong urge to sleep during hours when you should be awake. It is different from ordinary tiredness because it does not…
Narcolepsy: Symptoms, Causes and Diagnosis
Narcolepsy is a chronic neurological disorder that causes overwhelming daytime sleepiness and sudden sleep attacks. Key symptoms include cataplexy (sudden muscle weakness), sleep paralysis, vivid…
Night Terrors vs Nightmares: What's the Difference?
Night terrors happen during deep NREM sleep, usually in the first half of the night, and the sleeper is not awake or aware — they often do not remember it. Nightmares happen during REM sleep, usually…
Sleep Paralysis: Causes and What to Do
Sleep paralysis happens when you wake up mentally but your body is still in the temporary muscle paralysis of REM sleep. It usually lasts a few seconds to a couple of minutes and ends on its own…
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