Why don't I feel anything?
This is the most common question in the subject, and it deserves the three answers in order of likelihood — not the one that sells best.
In order: your equipment is probably not delivering the effect, your expectation of what it should feel like is probably too big, and it is genuinely possible that binaural beats do nothing measurable for you. All three are common and the first is easy to rule out.
1. Check the equipment — two minutes
A binaural beat needs one tone per ear. One earbud, a mono Bluetooth profile, a speaker or a downmixed file all remove it completely, and none of them look broken. The five-step headphone test tells you which situation you are in.
2. Calibrate the expectation
What a binaural beat actually feels like is a slow sway or flutter between the ears, quiet and unremarkable. It is not a rush, a wave, a click into another state, or anything you would notice with your eyes closed and no idea it was playing. If you were expecting the thing described in the more enthusiastic corners of the internet, nothing that this or any other generator does will match it.
Try 20 Hz for ten seconds if you want to confirm you can hear the phenomenon at all — faster beats are much more obvious than slow ones:
If you can hear that swaying and not a 2 Hz beat, nothing is wrong: slow beats are supposed to be nearly imperceptible. That is what makes them usable overnight.
3. It may simply not do anything for you
The research on binaural beats is small, mixed and full of null results — several studies of attention found no effect, and a few found the opposite of the intended one. A tool with a weak, inconsistent effect in the literature will do nothing noticeable for plenty of people, and that is the expected outcome rather than a failure on your part. Our reading is on the evidence page.
The part that reliably works is duller and does not need you to feel anything: a steady sound covers an unpredictable room, and a timer tells you when to stop. If the beat does nothing for you, a noise bed may still be worth the tab.
Things that will not help
- Turning it up. Loudness does not deepen the effect; it just raises your exposure.
- Longer sessions. No dose-response has been established, so an hour is not a stronger version of twenty minutes.
- More expensive headphones. Two working channels is the whole requirement.
- A different "special" frequency. If 10 Hz does nothing, 7.83 Hz will also do nothing, whatever the page selling it says.
Questions
How long before binaural beats work?
There is no established onset time, because there is no established effect to time. Most people who notice anything notice it within a few minutes.
Am I doing it wrong?
Almost the only way to do it wrong is to lose the stereo separation. Run the headphone test.
Do binaural beats work for everyone?
No, and nobody knows what fraction of people they do anything for. Individual variation in this literature is large relative to the effects.
Should I keep trying?
A few sessions is a fair trial. If nothing comes of it, a noise bed is the part with the better-supported benefit anyway.