やわらかなピンクノイズ

Pink noise loses energy as pitch rises, so it sounds softer than white noise, closer to steady rain or a distant waterfall. A good pick if white noise feels too harsh.

入眠、深いリラックス、ノイズマスキング

Synthesized by Sleep Island as a seamless 3-minute loop.

The web player loops the current preview audio. Choose a timer from 15 minutes to 2 hours, or keep it looping; timed playback fades out gently. The timer sets your listening session, not the original track length.