The Best Earplugs for Sleeping: Foam, Silicone, and What Blocks a Snoring Partner

The couple who agreed to help me test earplugs have been married eleven years, and for roughly ten of them, one of them has snored. When I asked her to describe the sound, she said, "Like a motorcycle that keeps almost starting." That is the exact problem this guide exists to solve — along with traffic noise, hotel hallway doors, early-rising birds, and upstairs neighbors who own hard-soled shoes.

Over five weeks I tested nine earplug styles across three materials: memory foam, moldable silicone, and pre-molded silicone with filters. Each pair got at least three nights, including two nights in the Snore Lab (my friend's guest room, decibel app running on the nightstand) and one night on a plane. Here is what the testing taught us.

What NRR actually means (and what it doesn't)

Every earplug package in the US carries a Noise Reduction Rating, or NRR, measured in decibels. The highest-rated foam plugs hit 32–33 dB. That number is real, but it comes from lab conditions with a perfect fit — which almost nobody achieves at home. Hearing-safety researchers generally suggest expecting about half the labeled NRR in real-world use.

In practical terms: a 33 dB foam plug properly inserted might cut 20–25 dB of actual noise. Average snoring runs 50–70 dB at the pillow. Good plugs will not silence a snorer — they turn a motorcycle into a distant hum your sleeping brain can file under "ignore." That distinction matters, because chasing total silence leads people to jam plugs in too deep or size up unnecessarily, both of which cause pain.

Foam earplugs: maximum blockage, some trade-offs

Slow-recovery polyurethane foam plugs are the noise-blocking champions. You roll them thin, insert them, and they expand to fill the canal. In our decibel tests they consistently beat every other style by 4–7 dB. The downsides: they insert into the ear canal (some people never get comfortable with that), they can cause soreness by morning, and they are disposable — a pair lasts one to five uses before the foam stops rebounding and earwax becomes a hygiene issue.

Best for: occasional use, very loud environments, and people who have never found foam uncomfortable. If you sleep on your side, choose a shorter "bell" shape so the plug end does not press into the pillow.

Insertion technique is where most people go wrong with foam. Roll the plug between your fingers into a thin, crease-free cylinder, reach over your head with the opposite hand and pull your ear up and back (this straightens the canal), insert, and hold a fingertip against the plug for a slow count of twenty while it expands. A properly seated foam plug should make your own voice sound hollow and internal. If it sticks out far enough to catch on the pillow, it's not in right — take it out and roll again.

Silicone earplugs: the comfort-first choice

Silicone comes in two forms. Moldable silicone (a putty-like ball you flatten over the ear opening) seals without entering the canal at all — the best option for sensitive ears and side sleepers, since nothing sticks out. Pre-molded silicone plugs use soft flanges or a custom-feel dome with a small filter, and the good ones are washable and reusable for months.

The reusable category is where sleep earplugs have improved most in the last few years. The better designs reduce noise by 24–27 dB with a low-profile fit that survives side sleeping. Among the ones we tested, the Hushs™ earplugs were the pair our side-sleeping tester kept reaching for after the formal test ended — soft enough to wear eight hours, low-profile enough that the pillow never pushed them deeper.

One rung above reusables sit custom-molded plugs, made from impressions of your ear canals by an audiologist, typically for $100–200. They're the most comfortable option that exists and last for years, but they're a serious purchase for a serious problem — a nightly snoring partner you'll be keeping, a shift-work schedule, apartment living under a nightclub. For everyone else, a good reusable pair gets you 90 percent of the benefit for a quarter of the price.

So, what actually blocks a snoring partner?

Honest answer: nothing blocks it completely. In the Snore Lab, peak snoring measured 68 dB next to the pillow. The best foam plugs brought perceived volume down to a muffled rumble; the reusable silicone plugs were a touch behind but far more comfortable at 4 a.m. Our tester's verdict after two weeks: she slept through the night six out of seven nights with silicone plugs, versus four out of seven with foam — because the foam pairs hurt enough that she removed them in her sleep.

Two tactics stack the odds further. First, a white-noise source between you and the snorer raises the floor so the reduced snoring blends in. Second, if the snorer is game, an anti-snoring pillow that encourages side positioning can lower the volume at the source. Attack the problem from both ends and most couples can stop negotiating sleep in separate rooms.

Comfort, fit, and ear health

A note on cost, because it surprises people: nightly disposable-foam use runs through roughly 30 pairs a month, which adds up to more per year than one good reusable set. Reusables pay for themselves in about two months of nightly use.

A few rules from an audiologist I consulted, plus hard-won tester experience:

• Never force a plug deeper than comfortable. If foam expands and pushes back out, that is the fit working — do not shove it back in.
• Replace foam often. When the surface looks shiny or stops springing back, toss it. Budget roughly one pair per week with nightly use.
• Wash reusables daily. Warm water, mild soap, fully dry before the next night.
• Pain is a stop sign. Persistent ear pain, ringing, or muffled hearing after removing plugs means stop and see a clinician — impacted earwax is common with regular plug use and is easily fixed by a professional.

The bottom line

If you want maximum blockage for occasional loud nights, buy a box of high-NRR foam plugs and learn to insert them properly (roll thin, pull the ear up and back, hold 20 seconds). If you want something you can wear every night for years, reusable silicone is the better tool — comfortable, washable, and cheaper over time. The Hushs™ plugs and the rest of the sleep range at the CalmEden store are a solid place to start, and your ears will tell you within three nights whether you are a foam person or a silicone person.