Sinusitis and sleep: why it's worse at night and what helps

Sinusitis tends to feel worse at night because mucus that drains easily when you're upright pools in the sinuses once you lie down, and lying flat also narrows the airway through your nose. Raising your head, rinsing with salt water and treating the underlying swelling are the most useful steps. Research also shows that long-term sinusitis affects sleep, and that sleep tends to improve when it's treated.

What is sinusitis?

Sinusitis is swelling of the tissue lining your sinuses, the air-filled spaces behind your cheekbones and forehead that connect to the inside of your nose. The NHS explains that the swollen lining stops mucus draining into your nose and throat properly, which is what makes you feel blocked up.

Most cases follow a cold. Cleveland Clinic says viruses cause most sinusitis, though bacteria, fungi and allergies can play a part. It groups sinusitis by how long it lasts. Acute sinusitis lasts less than four weeks, and chronic sinusitis lasts at least 12 weeks.

Common symptoms include a blocked or runny nose, thick yellow or green mucus, pressure around the cheeks, eyes and forehead, a reduced sense of smell and mucus dripping down the back of the throat. The NHS adds one that matters at bedtime: you may snore at night.

Why does sinusitis feel worse at night?

Sinusitis feels worse at night largely because of gravity. Cleveland Clinic explains that during the day you swallow mucus without noticing, and gravity helps it slide down your throat. When you lie down, drainage slows and mucus can pool in your sinuses instead. A Cleveland Clinic family physician puts it plainly: people with sinus inflammation often feel worse lying down because the mucus can't drain.

The position itself makes a difference too. A 2022 meta-analysis in The Laryngoscope pooled nine studies and found that lying down increases nasal resistance and reduces nasal airflow, even in healthy people. When the lining of your nose is already swollen from sinusitis, that extra resistance can be the difference between breathing through your nose and breathing through your mouth. Our guide to why your nose gets stuffy at night covers this effect in more detail.

What does the research say about sinusitis and sleep?

Research links sinusitis to worse sleep, though most of it looks at chronic rhinosinusitis, the long-lasting form. A 2019 study across four US institutions compared 52 people with chronic rhinosinusitis with 56 people without it. The sinusitis group scored worse on a standard sleep quality questionnaire and reported more daytime sleepiness.

The study also used home sleep tests, which gave it more than questionnaires to go on. People with chronic rhinosinusitis woke more often during the night, averaging 8.6 awakenings against 6.3 in the control group. They also spent more of the night snoring at a loud volume. These differences held after the researchers controlled for other differences between the groups.

A 2021 systematic review of 103 studies reached a similar conclusion across several nose conditions. It found that sleep quality is affected by chronic rhinosinusitis, rhinitis and a deviated septum. The authors thought a mild obstructive component was likely part of the picture, with other factors probably contributing as well.

The encouraging news is that treatment seems to help. A 2022 meta-analysis of 16 studies covering 1,770 people looked at sleep before and after medical or surgical treatment for chronic rhinosinusitis. Patient-reported sleep quality, daytime sleepiness and fatigue all improved, and the gains in sleepiness and fatigue were large enough to count as clinically meaningful. Sleep test measures such as breathing events overnight didn't change much, so the benefit showed up mainly in how people felt.

What helps you sleep with sinusitis?

For mild sinusitis, the NHS recommends rest, plenty of fluids, painkillers such as paracetamol or ibuprofen, avoiding allergy triggers, not smoking and cleaning your nose with a salt water solution. Cleveland Clinic lists similar home measures, including over-the-counter cold and allergy medicines and saline rinses.

At bedtime, a few steps target the nighttime problem directly. Cleveland Clinic suggests sleeping with your head and shoulders raised, which gives gravity a chance to help with drainage. It also recommends a saline spray or neti pot to loosen mucus, a humidifier to ease dryness and staying hydrated to keep mucus thin. How to use a saline rinse walks through doing it safely,.

Be careful with decongestant sprays. Cleveland Clinic advises against using nonprescription sprays or drops for longer than three to five days, because they can increase congestion. Decongestant spray rebound explains why.

If a doctor or pharmacist thinks you need more, the NHS says steroid nasal sprays or drops can reduce swelling in the sinuses, sometimes over a few months. Antihistamines may help if allergies are behind it. Antibiotics are rarely needed, since most sinusitis is caused by a virus.

Can nasal strips help?

A nasal strip lifts the sides of the nose and opens the front of the nasal passage a little. It doesn't drain the sinuses or reduce swelling deeper inside, but if the front of your nose feels tight it's an easy, drug-free thing to add alongside rinses and other measures. How nasal strips work explains what they do, and nasal strips with a sinus infection goes into using them when you're unwell.

What about mouth tape?

Take a break from mouth tape while your sinuses are blocked. Mouth tape only makes sense when you can breathe comfortably through your nose with your mouth closed. A 2025 systematic review of mouth taping lists asphyxiation as a potential risk when the nose is obstructed, and many of the studies it covered excluded people with nasal blockage.

Once the infection clears, tape is a simple way to keep your lips closed at night and stay a nose breather while you sleep. Use our two-minute nose test before you restart, and see mouth tape with a cold for when to pause and resume.

If you want to try nasal strips, our pick is TitanAir Nasal Strips.

When should you see a doctor?

See a doctor if sinusitis hasn't cleared up, though the NHS says it usually clears up on its own within four weeks. It suggests seeing a pharmacist first, and a GP if you don't improve after a week of treatment from a pharmacy or GP, or after three weeks of treating it yourself, or if you keep getting sinusitis. A GP may refer you to an ear, nose and throat specialist if symptoms last beyond three months of treatment or only affect one side of your face.

Get help urgently if you feel very unwell or symptoms get worse despite painkillers. Cleveland Clinic lists signs that need emergency care, including a high fever over 103 degrees Fahrenheit, confusion, vision changes or swelling around the eyes, a stiff neck and seizures.

Loud snoring with gasping or pauses in breathing is a separate issue. It can be a sign of sleep apnea and needs a doctor, whatever is happening with your sinuses.

Read next

• Why is my nose stuffy at night?
• Nasal strips with a sinus infection
• Post-nasal drip at night

* This content is for informational and educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure or prevent any disease or health condition. Talk to a qualified healthcare provider about your health.