A pleasant audio recording and a specifically demonstrated effect of its frequencies are not the same. With binaural beats, slightly different tones are presented separately to each ear. The perceived effect does not prove that a particular mental performance or sleep stage is reliably produced.
The comparison group is decisive
A 2016 randomized study involving 141 people before or during cataract surgery compared music with and without binaural beats and a control group. Both music groups showed more favorable anxiety scores than the control; the difference between the music groups on the anxiety questionnaire was not statistically significant. [1] This is not evidence for every everyday application.
A 2026 study with 144 participants compared music with auditory beat stimulation against pink noise and found short-term improvements in anxiety measures. A music-only group was missing from this comparison, and connections to the company involved were disclosed. The specific added value of the beats and long-term effects therefore remain open questions. [2]
| Promise | Relevant check | What is insufficient? |
|---|---|---|
| Relaxation | How was this particular recording compared with an appropriate alternative? | Testimonials alone |
| Greater concentration | Was relevant performance actually measured? | Equating a pleasant feeling with better performance |
| Better sleep | Which sleep measure and period were studied? | A frequency name as the only evidence |
| Long-term help with anxiety | Are suitable longer-term treatment data available? | A short listening session as a treatment guarantee |
Personal use without performance pressure
Someone wishing to try a recording can start with a manageable self-care or relaxation goal: Is a short quiet break with this sound pleasant? Familiar music without special effectiveness claims also makes a suitable comparison. Personal preference is a legitimate reason to listen, but not controlled evidence of effectiveness.
Choose a comfortable volume that is not excessive. Longer or louder listening does not prove a stronger effect. Stop if you feel unwell. Do not use distracting or sleep-inducing recordings while driving or doing tasks requiring full attention.
Symptoms may need help in their own right
Persistent sleep problems or substantially impairing anxiety should be assessed independently of audio offers. A file does not replace necessary diagnosis or treatment. Nor must you endure an unpleasant reaction as a supposedly required adjustment to a frequency.
Frequently asked questions
Does relaxation prove a special frequency effect?
No. That requires an appropriate comparison, for example with music without the added component.
Do surgery studies automatically apply to work or sleep?
No. Situations, objectives and study participants differ.
Should I increase the volume for a greater effect?
No. Louder is not evidence of effectiveness.
Can a recording replace anxiety treatment?
Not on the basis of the short-term findings described here.
Further reading
Critically assessing subliminal audio messages and understanding sleep without perfectionism.
Sources
- Wiwatwongwana et al., 2016: Music with and without binaural beats during cataract surgery
- Mullen et al., 2026: Music, auditory beat stimulation and anxiety – randomized trial
Editorially updated: September 27, 2026. Not an effectiveness guarantee for a particular recording or individual treatment.
