Why tinnitus is more noticeable at night

People search for this as tinnitus getting worse at night. The health authorities say something narrower: tinnitus is more noticeable at night. MedlinePlus puts it as “more noticeable when you go to bed at night because your surroundings are quieter”. ASHA says much the same, attributing it to fewer distractions. Neither says the ringing itself grows.

Noticeable and worse are different words

The distinction is not pedantry. If your tinnitus grew louder every night, that would be a change in the signal and a reason for a hearing test. If it merely stands out more once the traffic and the television stop, that is a change in what your ears have to work with. The two sources here support the second reading only.

They do not even agree on the mechanism. MedlinePlus attributes the effect to quieter surroundings; ASHA attributes it to fewer distractions. Those overlap, but they are not the same claim, so nobody should hand you one tidy explanation. You may have read that the brain turns up its own gain in quiet. Neither source says that, and this page will not repeat it.

Why bedtime concentrates it

Three ordinary things stack up after midnight. The room is at its quietest, so a constant internal sound has the least competition. You have nothing to do, so attention has nowhere else to land. And lying awake makes you notice how long you have been lying awake, which does not help anyone settle.

None of that is a diagnosis. It is a description of a quiet room and a tired person.

What people do about it

The common move is to stop the room going silent. The US National Institute on Deafness and Other Communication Disorders describes tabletop and smartphone sound generators as an aid for relaxation or sleep, playing sounds such as waves, waterfalls, rain or a summer night, and notes that plenty of people simply switch on a radio or a household fan.

Two mechanics are worth getting right. Keep the level low enough to talk over, because a loud background is its own problem at 3am. And decide early if you want it all night, or only while you settle, then set the timer to match rather than guessing each evening. Our bedtime routine for tinnitus walks through both.

Try rain or brown noise in a browser tab before you install anything.

What none of this promises

Nothing here says a background sound reduces tinnitus, because the research does not say so. The 2018 Cochrane review of sound therapy for tinnitus found no evidence to support the superiority of sound therapy over waiting list control, placebo or education with no device, and it graded the evidence low quality.

Persistent or one-sided tinnitus needs a medical assessment, and Slo does not diagnose or treat anything. The NIDCD advises starting with a primary care doctor, who can check for earwax or an infection blocking the ear canal. If the ringing keeps you awake regularly, ask an audiologist about cognitive behavioural therapy, which carries stronger clinical support than sound does.

Questions people ask

Does tinnitus get worse at night?

MedlinePlus and ASHA describe it as more noticeable at night rather than worse. If you think the sound itself has changed, or it has appeared in one ear, book a hearing test.

Why is it louder when I lie down?

Two authorities point at the quiet room and the lack of distraction. If it changes with your posture or pulses along with your heartbeat, mention that specifically to a doctor.

Will a fan or a sound app fix it?

Neither fixes anything. People use them so the room is not silent. That is a description of a habit, not a result you can count on.

Read next

• Sound masking for tinnitus explains what masking means and where the evidence stops.

Sources

• Tinnitus article in the MedlinePlus medical encyclopedia, US National Library of Medicine
• Tinnitus page at the American Speech-Language-Hearing Association
• Tinnitus page at the US National Institute on Deafness and Other Communication Disorders
• Cochrane review of sound therapy for tinnitus, Sereda and colleagues 2018: CD013094

Filip Kowalski is the developer of Slo and writes about sound, sleep, and focus.