Why Do You Wake Up Choking During Sleep?
Discover what can cause choking or coughing during sleep, why it may happen suddenly at night, and which symptoms should not be ignored.
You wake up suddenly, coughing hard and struggling to catch your breath. Choking on saliva while sleeping happens when saliva or stomach acid slips into your airway. Most causes are simple, like acid reflux or postnasal drip. A few need a doctor. Knowing the cause helps you stop it.
What is choking in sleep?
Your throat has two paths. One carries food to your stomach. The other carries air to your lungs. When you swallow, a small flap closes the air path.
During sleep you swallow less. If saliva pools or acid rises from your stomach, some of it can slip into the air path. Your body reacts with a strong cough to push it out. That's the choking feeling that wakes you up.
Choking on saliva while sleeping once in a while is normal. But if it happens every week, there's a cause worth finding.
What causes choking on saliva while sleeping?
The causes of choking on saliva while sleeping vary. These are the most common:
Acid reflux: the top cause. Acid rises into your throat while you sleep and can trigger a sudden spasm of the voice box, so you wake up gasping. It's worse after late or heavy meals. In a Saudi study of more than 2,000 people, 28.7% had reflux disease.
Postnasal drip: with a cold, nasal allergies or sinus problems, mucus drips down the back of your throat at night and causes coughing and choking.
Pooled saliva: sleeping on your back keeps saliva in your mouth and throat. Sleeping on your side lets it drain out of your mouth instead.
Sleep apnea: your airway narrows during sleep, so you wake up gasping or choking. More on this below.
Asthma: can cause coughing and shortness of breath that break up your sleep.
Heart problems: a weak heart can let fluid build up in the lungs. You feel short of breath lying down and better when you sit up.
Sleeping pills and sedatives: some relax your throat muscles and make breathing harder during sleep.
Waking up choking and coughing
If you wake up choking and coughing most nights, the cause is usually one of three:
Reflux: it can show up as a dry cough alone, without obvious heartburn. That's why many people miss it.
Postnasal drip: causes a cough that's worse at night and a constant need to clear your throat.
Asthma: causes coughing, wheezing and shortness of breath that wake you up.
Since night coughing has many causes, read persistent cough at night and why it gets worse.
Choking in sleep in older adults
Choking on saliva while sleeping becomes more common with age, because the swallowing muscles weaken in some people. Studies suggest swallowing problems affect 30% to 40% of older adults living at home.
Causes of choking at night in older adults include:
Stroke: can weaken the swallowing muscles.
Parkinson's disease and dementia: reduce swallowing and let saliva pool.
Medicines: especially sedatives and sleeping pills.
Reflux: more common with age and extra weight.
The risk is that saliva or food enters the lungs without a clear cough, which can cause pneumonia. Watch for coughing during meals, a wet-sounding voice after drinking, or repeated chest infections in an older relative.
Choking in sleep and sleep apnea
Sleep apnea is one of the causes of choking on saliva while sleeping that many people overlook. Your airway narrows or closes during sleep, oxygen drops, and your brain wakes you up gasping or choking. Mayo Clinic lists waking up gasping or choking as a symptom.
Extra weight raises the risk, because fat around the neck presses on the airway.
It's common in Saudi Arabia too. In a study by Professor Ahmed BaHammam of 578 men in Riyadh, 52.3% snored, and 11.3% had pauses in breathing noticed by family more than once a week.
When should you suspect sleep apnea?
Loud snoring every night
Pauses in breathing noticed by a bed partner
Morning headaches and a dry throat
Strong daytime sleepiness despite enough sleep
To learn the symptoms and treatment, read sleep apnea: causes, symptoms and treatment.
Waking up choking and snoring?
A sleep test shows whether your breathing stops during sleep. At Subat Clinics, the test is done in your own home within Riyadh.
Want to see the doctor first? Book a sleep disorders consultation
Treatment by cause
Treating choking on saliva while sleeping depends on the cause:
Reflux: raise the head of your bed and eat a lighter dinner. Your doctor may prescribe an acid-reducing medicine.
Postnasal drip: treat allergies or sinus problems with saline rinses or sprays your doctor prescribes.
Asthma: the right inhalers and follow-up with a chest doctor.
Sleep apnea: a CPAP machine in most cases, plus weight loss.
Weak swallowing in older adults: assessment and exercises with a swallowing therapist.
Heart problems: follow-up with a cardiologist.
What to do when choking on saliva while sleeping
It's scary, but it usually passes within seconds. Cleveland Clinic advises:
Stay calm: gasping makes the spasm worse.
Breathe in slowly through your nose: then breathe out slowly through pursed lips. Repeat.
Take small sips of water: once your breathing settles.
Choking on saliva doesn't need the Heimlich maneuver. That's for dislodging food or an object.
If you wake up panicked without coughing or choking, the cause may be different. Read causes of night terrors and choking in sleep.
How to stop choking in sleep
These simple steps reduce choking at night for most adults:
Don't take sleeping pills or sedatives on your own: some relax your throat muscles and make choking and sleep apnea worse.
Raise the head of your bed: 15 to 20 cm (6 to 8 inches) with blocks under the bed legs. Extra pillows alone won't do it.
Don't lie down right after eating: leave 3 hours between dinner and bed.
Sleep on your side: so saliva doesn't pool in your throat.
Treat a blocked nose: so you breathe through your nose.
Lose weight: if you're carrying extra.
Stop smoking.
For older adults: eat sitting upright and stay upright for a while after meals.
When is choking in sleep serious?
See a doctor if you notice any of these:
You can't breathe or speak: for more than a minute. Call 997 right away.
Choking happens every week: or more often.
Snoring, pauses in breathing and daytime sleepiness.
Fever and a cough with phlegm: after choking episodes, especially in older adults.
Shortness of breath lying down: with swollen feet.
Trouble swallowing: or weight loss.
Keep waking up choking?
A doctor can help you find the cause: reflux, your nose, your chest or sleep apnea.
Book a sleep disorders consultation
With coughing or wheezing? Book a pulmonology consultation
How to prepare for your appointment
Write down how often you choke and what time of night.
Ask your bed partner about snoring or pauses in breathing.
Note whether choking follows a late dinner.
Bring a list of your medicines.
Why Subat Clinics?
At Subat Clinics, we look for the cause of choking when it's linked to sleep or breathing:
A sleep medicine consultant: Dr. Ahmed Alruhaimi, fellowship-trained in sleep medicine at the University of Toronto.
A pulmonology consultant: Dr. Sami Al-Yami for asthma, coughing and shortness of breath.
Sleep testing at home: within Riyadh, in your own bed.
Online consultations: for patients outside Riyadh.
Insurance: Tawuniya accepted.
We see patients aged 14 and older.
Conclusion
Most causes of choking on saliva while sleeping are simple. Reflux and postnasal drip often improve with a raised bed, a lighter dinner and treating your nose. But if choking keeps happening along with snoring or daytime sleepiness, sleep apnea may be the cause. In older adults, it can be a sign of weak swallowing. Either way, it's worth seeing a doctor.
Book your appointment
Choose the service that fits and book directly:
Address: Othman Ibn Affan Road, Al-Taawun District, Riyadh 12477
Phone: 0112011100
WhatsApp: 0505999713
The clinic is not an emergency facility. In an emergency call 997 or go to the nearest hospital.
Sources:
Prof. Ahmed BaHammam, Professor of Sleep Medicine — sleep awareness account
BaHammam et al. — Snoring and OSA risk in Saudi men in Riyadh (Saudi Medical Journal 2008)
Alsuwat et al. — Prevalence of GERD in Saudi Arabia (J Clin Med Res 2018)
Cleveland Clinic — Laryngospasm and what to do during an episode
This content is for health education and does not replace a personal medical consultation.
Medically reviewed by: Dr. Ahmed Alruhaimi, Consultant in Sleep Medicine, Subat Clinics
Last reviewed: November 2026
FAQs
Can you die from choking on saliva while sleeping?
This is very rare. Your body wakes you up and coughs to clear the saliva, and the episode usually ends within seconds. But if it keeps happening, the cause should be checked.
Can anxiety cause choking in sleep?
Anxiety can make you wake up panicked and short of breath, but it doesn't make saliva enter your airway. Look for a physical cause first.
Is choking in sleep more common in pregnancy?
It can be, because reflux and nasal congestion are more common in pregnancy. Sleeping on your side with your head slightly raised may help.
Do children choke in their sleep?
Yes. The most common causes are colds or enlarged tonsils and adenoids. If choking comes with snoring, see a pediatrician.