Sound explainer
Binaural beats.
Two soft tones, one in each ear, tuned just a few cycles apart. Somewhere between your ears, the brain hears a third rhythm — a slow, waving pulse that isn't in the air at all. That pulse is the binaural beat, and it's one of the simplest ways to lean your listening towards resting, focusing or settling.
How it forms
Left ear
200 Hz
Right ear
210 Hz
The beat
10 Hz pulse
The tones themselves are steady — what your brain picks up is the difference between them, arriving as a slow, waving pulse.
One idea, many tempos.
The gap between the two tones sets the speed of the beat — and that speed sits alongside the brain's own natural rhythms.
0.5–4 Hz
Delta
The slowest pulses — the deep, restorative drift of dreamless sleep.
4–8 Hz
Theta
The rhythm of drowsy calm — the hazy edge between waking and dreaming.
8–14 Hz
Alpha
The settled, wakeful hum — relaxed attention with the eyes closed.
14–30 Hz
Beta
The everyday working beat — alert, engaged, thinking things through.
30+ Hz
Gamma
The quickest flickers — dense processing, the feeling of things clicking.
How to listen.
Nothing to learn, nothing to do — just a few small things that help the beat do its work.
Use headphones
The beat only forms when each ear hears its own tone — speakers blur the two together.
Keep it quiet
A comfortable, low volume is plenty. Let the pulse sit behind whatever you're doing.
Give it time
Ten to fifteen unhurried minutes — resting, reading or simply closing your eyes.
A note on the evidence
Binaural beats are an old, well-explored idea, but research on their effects is still mixed and unfolding. Think of them as a listening aid for settling in — not a prescription.