250 Hz Tone · Steady Grounding Sound for Sleep & Focus (10 Hours)

A single 250 Hz sine tone, held steady for ten hours — a low, even hum and nothing else.

A plain, unchanging "sonic anchor" that many people use for deep focus, meditation, or to settle a busy mind before sleep.

Lossless WAV/FLAC on Patreon: A clean generated tone — no music, no narration, no other layers.

Follow for more colors of noise and tones.