Ear protection for snoring works better than most masking: in a 2026 sleep-lab study of 25 healthy adults, earplugs mitigated nearly all effects of intermittent night noise on sleep but started failing at the loudest level (65 dBA peaks), while pink noise reduced REM sleep. Real-world attenuation is lower than the package suggests because fit varies by person, and in one set of 1,139 sleep-lab patients the loudest tenth of the night exceeded 55 dBA in 12.3%. The trade-off is that a person with earplugs no longer hears gasping or silences, so a recording of the night is a sensible companion. Snoring with gasps needs a doctor.
It is past midnight and the snoring has started again. Earplugs sit on the nightstand, and you are deciding whether to go and sleep on the couch instead. Ear protection for snoring gets bought long before any trial is read, and the research on earplugs for snoring is mostly about noise in general, not about snoring in particular.
Below are the best lab data on earplugs and masking sound, a look at why the number on the package is optimistic, how loud snoring gets, what to do when plugs are not enough, and the one thing earplugs take away that is worth replacing.
What ear protection for snoring does: the lab evidence
The most recent controlled test comes from a 2026 sleep-lab study. Twenty-five healthy adults (average age 28.5, seven of them men) slept seven nights with different noise conditions: intermittent environmental noise with peaks between 45 and 65 dBA in 93 events, pink noise at 40 or 50 dBA, earplugs, and combinations. Compared with a quiet night, the environmental noise reduced deep sleep (N3, p < .0001), and pink noise reduced REM sleep (p < .001). Adding pink noise to the environmental noise worsened sleep structure despite minor improvements in fragmentation. Earplugs mitigated nearly all effects of the noise on sleep but started failing at the highest level, 65 dBA. Cognitive tests, cardiovascular measures and hearing were not affected the next morning, though subjective ratings of sleep, alertness and mood were worse after noise and pink noise.
Basner M, Smith MG, Cordoza M, Kayser MS, Carlin M, Ecker AJ, Gilad Y, Park-Chavar S, Rennie K, Schneller V, Walsh S, Shou H, Cao Q, Younes M, Aeschbach D, Jones CW. Efficacy of pink noise and earplugs for mitigating the effects of intermittent environmental noise exposure on sleep. Sleep 2026. PMID 41627391
Two limits apply. The sounds were environmental, not snoring, whose rumble and rhythm differ. And the participants were young and healthy. The result tells you earplugs can protect sleep against intermittent noise, and where the protection begins to give.
Hospital trials add some weight, though they are about beeping and voices. In 14 healthy volunteers exposed to recorded intensive care noise and light, earplugs and eye masks gave more REM sleep, shorter REM latency and less arousal. In a randomized trial of 136 intensive care patients, those who wore earplugs had a lower hazard of confusion (0.47, 95% CI 0.27 to 0.82) and reported better sleep after the first night. A meta-analysis of nine intensive care studies, five of which reported delirium, found a relative risk of delirium of 0.59 with earplugs, with high risk of bias in all of them.
Hu RF, Jiang XY, Zeng YM, Chen XY, Zhang YH. Effects of earplugs and eye masks on nocturnal sleep, melatonin and cortisol in a simulated intensive care unit environment. Crit Care 2010. PMID 20398302
Van Rompaey B, Elseviers MM, Van Drom W, Fromont V, Jorens PG. The effect of earplugs during the night on the onset of delirium and sleep perception: a randomized controlled trial in intensive care patients. Crit Care 2012. PMID 22559080
Litton E, Carnegie V, Elliott R, Webb SA. The Efficacy of Earplugs as a Sleep Hygiene Strategy for Reducing Delirium in the ICU: A Systematic Review and Meta-Analysis. Crit Care Med 2016. PMID 26741578
The number on the package is a best case
Earplug packages state a noise reduction in decibels measured in a laboratory. What reaches your ear depends on how the plug sits. In a study of 20 workers wearing foam and custom-molded earplugs, attenuation varied between people and over time, the custom-molded plugs achieved a higher share of their labelled attenuation than the foam ones, and the margin needed to estimate one person's protection cautiously was between 8.8 and 13.5 dB depending on the test system and plug. A plug labelled 30 dB can protect much less than 30 dB without being defective.
Neitzel R, Somers S, Seixas N. Variability of real-world hearing protector attenuation measurements. Ann Occup Hyg 2006. PMID 16782739
Insertion technique accounts for some of that gap. In an experiment with 80 men, those who received training on inserting their protectors had significantly higher attenuation at 500, 1000, 2000 and 4000 Hz than an untrained group, and the untrained group's attenuation fell below what the manufacturer stated. Another study found that one-on-one instruction beat written or video instructions for most protectors. Both were done with industrial hearing protectors, not sleep plugs, so they are about technique and not about any bedroom product.
Samelli AG, Rocha CH, Theodósio P, Moreira RR, Neves-Lobo IF. Training on hearing protector insertion improves noise attenuation. Codas 2015. PMID 26691614
Murphy WJ, Stephenson MR, Byrne DC, Witt B, Duran J. Effects of training on hearing protector attenuation. Noise Health 2011. PMID 21368438
For sleep, comfort is part of attenuation: a plug that hurts after an hour on your side will be out by midnight. Try them in your normal sleeping position before you count on them for a full night.
How loud snoring gets against that
In 1,139 people referred for a sleep study, the loudness level exceeded by the loudest 10% of the night was above 55 dBA in 12.3% of the patients. Men snored louder than women on average, and loudness tracked the number of breathing disturbances. The authors concluded that snoring noise can disturb both the snorer and a bed partner.
Wilson K, Stoohs RA, Mulrooney TF, Johnson LJ, Guilleminault C, Huang Z. The snoring spectrum: acoustic assessment of snoring sound intensity in 1,139 individuals undergoing polysomnography. Chest 1999. PMID 10084490
A later study measured 1,643 habitual snorers and found snoring intensity rising with sleep apnea severity, from 46.3 dB in those without apnea to 60.5 dB in those with an apnea-hypopnea index above 50 (r = 0.66 between intensity and index). Put next to the lab result, most snoring sits in a range where earplugs did well, and the loudest cases, which are often the ones with sleep apnea, sit near where they began to fail. That is a comparison of two studies with different measurement setups, not a test, and a loud snorer at close range may sound different from a lab microphone.
Maimon N, Hanly PJ. Does snoring intensity correlate with the severity of obstructive sleep apnea? J Clin Sleep Med 2010. PMID 20957849
How to cope with partner snoring: masking, sleeping apart and what the studies say
Pink noise and sleep headphones are the usual second line, and the 2026 study is the main reason to be careful: pink noise worsened sleep structure and reduced REM sleep, and the authors advised against widespread, indiscriminate use. The longer story is in White noise for sleep.
Sleeping apart has limited data. In 23 women whose partners' snoring had been disturbing them, 16 could be analyzed after excluding those who snored or had sleep apnea themselves. One night alone, compared with one night beside the snorer, did not change sleep time, sleep efficiency or the arousal index significantly. Light sleep and the awakening index were lower when alone (p = 0.023 and p = 0.046). The authors concluded that sleep was worse and more fragmented beside a snorer, but that one night alone did not substantially improve objective sleep, and some of the women found they snored themselves without knowing.
Blumen M, Quera Salva MA, d'Ortho MP, Leroux K, Audibert P, Fermanian C, Chabolle F, Lofaso F. Effect of sleeping alone on sleep quality in female bed partners of snorers. Eur Respir J 2009. PMID 19574335
There is a counterweight: in a lab study of young healthy couples, sharing a bed went with about 10% more REM sleep and less fragmented REM than sleeping alone, although with more limb movements. That study did not select for snoring. So separate nights have a cost as well as a benefit, and a few nights apart during a loud spell may be a fair trade against a week of wrecked sleep.
Drews HJ, Wallot S, Brysch P, Berger-Johannsen H, Weinhold SL, Mitkidis P, Baier PC, Lechinger J, Roepstorff A, Göder R. Bed-Sharing in Couples Is Associated With Increased and Stabilized REM Sleep and Sleep-Stage Synchronization. Front Psychiatry 2020. PMID 32670111
The strongest data are about treating the snoring. In 10 couples, a partner's sleep efficiency went from 74% to 87% on the half of the night when the snorer's snoring and breathing events were removed with CPAP, which the authors translate into about 62 more minutes of sleep. If your partner is willing, fixing the source is the most effective step, and How to stop others snoring covers how to raise it. In 13 couples, the loudness of breathing noise did not seem to trigger the partner's awakenings; noise that persisted seemed to prolong the time awake afterwards, which suggests the first minutes after waking are where plugs help most.
Beninati W, Harris CD, Herold DL, Shepard JW. The effect of snoring and obstructive sleep apnea on the sleep quality of bed partners. Mayo Clin Proc 1999. PMID 10918859
Blumen MB, Quera Salva MA, Vaugier I, Leroux K, d'Ortho MP, Barbot F, Chabolle F, Lofaso F. Is snoring intensity responsible for the sleep partner's poor quality of sleep? Sleep Breath 2012. PMID 21744233
Earplugs for the snorer: a small effect
The snorer's own ears were studied too. In a randomized trial, 400 adults referred for suspected sleep apnea were randomly assigned to wear earplugs or not during a diagnostic sleep study, and 203 got the plugs. Breath-linked delta EEG changes, a marker of tiny arousals, were somewhat lower with earplugs (P = 0.048), more in men, and did not depend on apnea severity or snoring prominence. The authors judged the effect small and concluded that hearing one's own snoring is not the main reason for those arousals. Earplugs for the snorer are therefore not a fix.
Chirakalwasan N, Ruzicka DL, Burns JW, Chervin RD. Do snoring sounds arouse the snorer? Sleep 2013. PMID 23565002
What earplugs hide: gasps and silences
The cost is one that no package mentions. The person lying next to a snorer is often the only one who notices a silence that goes on too long, then a gasp. With earplugs in, that early warning is gone. It does not mean plugs are a bad idea, it means a quiet night with plugs is not proof of a quiet night.
If your partner snores with pauses in breathing, gasps, morning headaches or heavy daytime sleepiness, a doctor's check matters more than any earplugs. Those signs can point to sleep apnea, and earplugs help you, not the person snoring.
Where SleepTrace fits
A phone on the nightstand can listen in your place. SleepTrace records through the microphone, recognizes snoring, talking and coughing and saves short clips of those moments, so you can hear in the morning what you slept through (the free plan plays back 3 clips a month, Premium has no limit). It marks possible breathing pauses with a timestamp, without a clip, and shows how much of the night had snoring. The sleep apnea indicator is a screening estimate, not a diagnosis, and sleep phases are estimated from sound.
iPhone and Android both work. The app stays open all night, the screen dims by itself, and the phone sits on a charger. It cannot see whether someone is breathing, how they move, which position they lie in, or whether they breathe through their mouth, and it is not an alarm for emergencies. It turns "I think it was loud" into a recording and a timeline that you can play to the person who snores and, if it comes to that, to a doctor.
Frequently asked questions
Mostly, for moderate noise. In a seven-night polysomnography study of 25 healthy adults exposed to intermittent noise with peaks of 45 to 65 dBA, earplugs mitigated nearly all effects on sleep but started failing at the highest level, 65 dBA. The noise was environmental sound, not snoring, so it is an analogy and not a direct test.
In the same study, yes. Pink noise gave only minor improvements in noise-related sleep fragmentation and reduced REM sleep, and the authors cautioned against widespread, indiscriminate use of broadband noise. Earplugs mitigated the effects without that cost.
In 1,139 people referred for a sleep study, the level exceeded by the loudest 10% of the night was above 55 dBA in 12.3% of them, and men's snoring was louder on average than women's. In 1,643 habitual snorers, average snoring intensity rose from 46.3 dB in people without sleep apnea to 60.5 dB in those with an apnea-hypopnea index above 50.
Three things have data. Treating a snorer's apnea improved partners' sleep efficiency from 74% to 87% in 10 couples. One night alone did not objectively improve the sleep of 16 women whose partners snored, though it lowered light sleep and awakenings, so a longer trial is untested. And a recording of the night lets a partner stop guessing about the volume and the pattern.
Earplugs themselves are not the danger, but they remove an early warning: you will no longer hear silences or gasping. If your partner snores with pauses, a recording of the night and a doctor's check matter more than the earplugs.
SleepTrace is a wellness app, not a medical device. This article is general information, not medical advice. If your symptoms are frequent, severe or worrying, please talk to a doctor.
Earplugs hide the problem from the listener and do nothing for the snorer. With SleepTrace on the snorer's phone, you get a log of when the snoring happens and how often, plus clips to play back, which turns a vague complaint into something you can discuss. It records sound only, so it cannot say what causes it; possible breathing pauses are worth a doctor's look.
Hear your own night. SleepTrace turns a night of audio into your sleep phases, the sounds you made, and how it all trends. Works without a wearable, better with one. Your phone on the nightstand is enough to start. Get it for iPhone or Android →