Street noise at night? Reduce, block or mask it in that order

Identify the noise before buying a solution

A bus that passes twice an hour, a neighbour's television and a humming refrigerator are all noise, but they are different practical problems. One is intermittent, one may travel through a shared wall and one is inside your control. Spend a few minutes listening from the pillow before deciding that you need earplugs or a sound machine.

Write down the source, when it begins and whether it is steady or sudden. You are building a simple map, not a nightly sleep score. If the sound stops when a device is moved or a loose item is secured, the useful intervention may cost nothing. Keep fire safety, ventilation and access routes intact; a quieter room should remain a safe room.

Work from the source toward the bed

WHO guidance describes noise control as a sequence that can include changing the source, interrupting the path between source and receiver, changing the physical room and reducing personal exposure. The guidance is designed for community and public-health decisions, so it does not prescribe a bedroom product. The sequence is still a helpful way to avoid asking one small accessory to solve the whole environment. ^[3]

Begin with what you can control. Silence nonessential alerts, move a vibrating phone off a hollow bedside table or ask whether a shared television can be lowered after an agreed time. Next consider the path: an existing curtain, a safe closed internal door or a bed moved away from the noisiest wall. A renter may need permission before altering windows or seals.

This order also helps you describe a persistent external problem clearly to a landlord, building manager or local authority. Note the type and timing of the sound without turning the night into continuous monitoring.

Earplugs can reduce sound, but the evidence has boundaries

A 2026 University of Pennsylvania-led laboratory study tested 25 healthy adults over seven nights. Participants experienced simulated intermittent environmental noise, continuous pink noise and a foam-earplug condition while researchers measured sleep with polysomnography. In that controlled setting, earplugs mitigated most measured effects of the intermittent noise, although protection weakened at the highest tested noise level. ^[2]

That result is useful but narrow. The participants were mostly young healthy adults without sleep disorders or relevant hearing loss, the bedrooms were acoustically controlled, and the exposure lasted days rather than months. The study did not test every ear shape, home, traffic pattern or reusable product. Comfort and correct fit also influence whether somebody will keep wearing a plug.

If you try earplugs, begin on a low-stakes night. Check comfort in your usual sleeping position and confirm that you can still notice any alarm or caregiving cue you genuinely need. Stop if the plug causes pain or irritation. Earplugs reduce incoming sound; they do not explain repeated exhaustion or persistent insomnia symptoms.

Adding more sound is not automatically the gentler option

Continuous white, pink or brown noise is often presented as a simple masking layer. A systematic review of 38 studies found highly varied methods and results, ranging from improvement to disruption. Using GRADE criteria, the authors rated the evidence that continuous noise improves sleep as very low quality and called for better objective measurement before broad promotion. ^[1]

The 2026 laboratory study adds a specific caution. Its pink-noise conditions did not reliably protect sleep from intermittent environmental noise and reduced REM sleep in that short experiment. This does not show that every fan, sound app or colour of noise is harmful. It does show why a louder setting or a fashionable label should not be treated as a proven sleep treatment. ^[2]

If you already use a familiar steady sound and find it comfortable, avoid escalating volume simply because the room remains noisy. First revisit the source and path. Our guide to music, rain and silence explains why preference and listening conditions matter more than one universal soundtrack.

A purchase is optional

One reusable example is Loop Quiet 2. Its official page describes soft-touch silicone, four ear-tip sizes and up to 24 dB SNR noise reduction. Those are manufacturer specifications, not evidence that this model improves sleep. The research above tested foam plugs, so its findings cannot be transferred to this product as a promised result. ^[4]

The free alternative is to silence notifications, move a rattling object, reposition the bed or use an existing curtain more effectively. If you already own simple foam earplugs, compare their comfort and fit before replacing them. Buying a specialised accessory is unnecessary when the source or path can be corrected.

Know when the noise is only part of the problem

A quieter room may help without solving every difficult night. If sleep trouble continues despite enough opportunity, or daytime sleepiness affects driving, work or safety, record what is happening and discuss it with a qualified professional. Sudden sensitivity to ordinary sounds, ear pain or persistent ringing also deserves appropriate assessment rather than repeated experiments with masking volume.

For a broader bedroom check, see too warm, too firm, too bright?. If disrupted nights are becoming a pattern, our guide to asking for sleep help can help you organise the conversation. The practical aim is not perfect silence. It is a safer, more predictable room with the least intervention that addresses the sound you actually hear.