
Orthopnea vs. Sleep Apnea: Why Breathing Gets Hard at Night
Compare breathlessness when lying flat with sleep apnea symptoms, and learn when to seek urgent care.
Sleep Health Resources
Expert articles on sleep health, sleep apnea, home sleep testing, and PAP therapy from our board-certified sleep medicine physicians.

Nasal strips may ease nasal congestion and help some people breathe through the nose, but studies do not show reliable control of sleep apnea. Learn where they fit and when to get tested.

Compare breathlessness when lying flat with sleep apnea symptoms, and learn when to seek urgent care.

Compare oral appliances, positional therapy, weight management, and surgery for obstructive sleep apnea.

A practical CPAP mask fitting guide covering nasal, pillow, and full-face styles, common leaks, and comfort.

Learn who may qualify for Inspire, how the implant works, and what evaluation and follow-up involve.

Lost weight and wondering whether you still need CPAP? Learn when repeat sleep testing may help, what remission means, and why symptoms alone are not enough.

Compare custom oral appliances with CPAP for sleep apnea. Understand candidacy, dental side effects, follow-up testing, and why a night guard is different.

Received a smartwatch sleep apnea alert? Learn what Apple Watch notifications mean, what to share with your doctor, and how clinical sleep testing differs.

Menopause and sleep apnea can share symptoms. Learn which clues to discuss, how testing helps, and why treating hot flashes may not solve disrupted breathing.

Waking up bloated on CPAP? Learn what aerophagia means, what research says about APAP, and which pressure, mask, and reflux questions to ask your clinician.

Compare one-night and two-night home sleep apnea tests, including night-to-night variability, device differences, incomplete recordings, and next steps.

Sleep apnea can occur without obvious snoring. Learn the quieter symptoms, who is often overlooked, and when a clinician may recommend a sleep study.

A negative home sleep apnea test may not rule out sleep apnea. Learn why false negatives happen and when AASM guidance supports an in-lab sleep study.

Sleep apnea and depression overlap heavily and each raises the risk of the other. Learn why OSA is missed in depressed patients and what testing changes.

Asthma and sleep apnea worsen each other in both directions. Learn how to tell nighttime wheeze from airway collapse, and when a sleep test is needed.

A deviated septum blocks nasal airflow; sleep apnea collapses the throat airway. Learn how they overlap, when septoplasty helps, and when to get tested.

A pulse oximeter reveals overnight oxygen dips and an ODI, but cannot diagnose sleep apnea alone. Learn what the 3% and 4% rules mean and when to test.

Waking up gasping for air can signal sleep apnea, reflux, heart failure, or panic. Learn what separates them and which red flags need urgent care.

Bruxism is sleep teeth grinding that wears teeth and causes jaw pain. Here is how night guards help, what triggers it, and its link to sleep apnea.

Mouth taping is trending for snoring and dry mouth, but the evidence is thin and it can be risky with sleep apnea. What experts say before you try it.

Magnesium may modestly help sleep, mostly if you are deficient. Here is what the evidence shows, the best forms, safe dosing, and who should avoid it.

Sleep paralysis is a brief, harmless inability to move as you wake or fall asleep, with hallucinations. What causes it, and how to prevent it.

CBT-I is the first-line treatment for chronic insomnia, and works better long term than sleeping pills. Here is how it works and what a program looks like.

Your circadian rhythm is the 24-hour body clock that controls sleep and alertness. Here's how light sets it, the signs it's off, and how to reset it.

Sleep hygiene is the daily habits and bedroom setup that help you fall and stay asleep. Here are the routines that work, and the ones wrecking your rest.

Sleep apnea and dementia: what the research shows about cognitive decline, brain health, and whether CPAP reduces dementia risk.

Mouth tape for sleep apnea: the clinical evidence, who should never use it, and what the research shows about mouth taping and OSA.

VA disability rating for sleep apnea explained: the four rating levels, what documentation veterans need, and how CPAP affects rating.

Evidence-based prevention strategies for obstructive sleep apnea. Weight, sleep position, alcohol, smoking, and what does not work. From California sleep medicine practice since…

Waking up with a headache? It is a classic sleep apnea symptom. Learn why, how to tell it apart from other causes, and what testing actually involves.

Sleep apnea raises anxiety, and anxiety worsens sleep apnea. Learn the science behind the link, the symptoms that overlap, and how CPAP helps both.

Sleep apnea and GERD make each other worse. Learn why nighttime acid reflux is a red flag for OSA, what the research shows, and how CPAP changes the picture.

WatchPAT measures sleep apnea using peripheral arterial tone — a different technology than nasal-flow tests. Here is how it works and how it compares.

Untreated sleep apnea promotes weight gain through hormones, fatigue, and metabolism — and weight gain worsens apnea. Here is how to break the cycle.

Up to 50% of AFib patients have obstructive sleep apnea. Untreated OSA reduces ablation success, raises recurrence after cardioversion, and undermines antiarrhythmic medications.…

Sleep apnea symptoms in women often look like insomnia, fatigue, depression, or headaches — not loud snoring. Up to 90% of women with OSA are undiagnosed. Screening guide and…