Alpha 10 Hz · Calm Wakefulness
Two tones 10 Hz apart, one per ear, over light pink noise. Listen with stereo headphones.
How is it made?
- Binaural · Left 195 Hz · Right 205 Hz · Beat 10 Hz (Alpha)
- Pink noise
Sound is generated on this device in real time; no files are downloaded from a server. There is a 8 s fade-in at the start and a 1 min fade-out at the end.
Evidence
C · Preliminary/mixed evidenceSmall trials or pilot studies; inconsistent results.
Some studies report short-term relaxation; results are inconsistent.
Evidence level C: Preliminary/mixed evidence- What do we know?
- Meta-analyses and pre-surgery trials report short-term reductions in anxiety; the effect against blank audio looks large, but heterogeneity between studies is very high. Of 12 randomized trials on stress, 8 reported a positive result on at least one measure and 4 found no difference. In a 2025 preoperative trial, anxiety fell slightly more in the binaural beat group than in an unstimulated control; it fell in both groups.
- What don't we know?
- Some controlled studies found no effect: in a surgical trial with 90 patients in Türkiye, binaural and isochronic groups did not differ from a no-sound group, and in an online study of 58 people, 40 Hz beats did not change a single-item anxiety rating. Randomization and blinding are unclear in most studies, and adverse effects are rarely studied.
A session's level is the weakest of its linked claims; it is never raised by a strong but unrelated claim.
Keep your device volume comfortable, preferably below 60%. You can also use your device's headphone-safety settings.