ノイズガイド
より良い睡眠、鋭い集中力、穏やかな毎日のためのノイズ活用法を、わかりやすく解説します。
- 7分で読めます
Is Brown Noise Harmful? What a Sound Engineer Would Tell You
Is brown noise harmful? No — the only real variable is volume over time. Get safe listening levels, sleep-timer tips, and baby-safe distances.
ガイドを読む → - 7分で読めます
Why Do I Need Noise to Sleep? (It's Not a Disorder)
Needing noise to sleep isn't a disorder, just a common habit. Here's why silence feels off, when it's worth a second look, and how to use sound well.
ガイドを読む → - 7分で読めます
Auditory Pareidolia: Why You Hear Music in White Noise
Auditory pareidolia explains why steady white noise or pink noise can sound like music or voices, why it happens, and how to quiet it down.
ガイドを読む → - 4分で読めます
自分に合ったノイズカラーの選び方
ブラウンノイズ、ホワイトノイズ、ピンクノイズ、グリーンノイズ——睡眠、集中、赤ちゃん、耳鳴りに最適なノイズカラーを選ぶための、シンプルで実践的な方法をご紹介します。
ガイドを読む → - 4分で読めます
毎晩ノイズを流して眠るのは安全なのか?
適切な音量であれば、ブラウンノイズやホワイトノイズを毎晩流して眠ることはほとんどの大人にとって問題ありません。赤ちゃんの場合も含め、安全を保つための音量と距離のルールをご紹介します。
ガイドを読む → - 6分で読めます
Is Pink Noise Bad for Sleep? What the Study Missed
Pink noise sleep study headlines promise deep-sleep miracles, but the small print tells a more balanced story. Here's what the research really shows.
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Free Brown Noise — No App, No Ads, Plays All Night
Skip the brown noise download — stream it free in your browser instantly, with no app, no account, no ads, and no loop seams all night long.
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Ghost Voices in White Noise? Here's What You're Really Hearing
If you hear whispers or your name in white noise, here's why hidden sounds in white noise happen, how they differ from tinnitus, and how to quiet them.
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Why Is It Called White Noise?
White noise is named after white light: both blend every wavelength or frequency evenly. Learn why brown, pink, blue, and grey noise got their names.
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I Can Hear Electricity: ADHD, Sensitive Hearing, and 3 AM
Hearing electricity at night is real. ADHD and sensory sensitivity explain why coil whine and mains hum stand out at 3 AM, and how to mask it for sleep.
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Why You Hear Music in Fan Noise (And Why It's Normal)
A fan's motor hum can sound like faint music as you fall asleep. Here's why audio pareidolia happens and how steady generated noise makes it fade.
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How to Play Brown Noise on Alexa All Night
Alexa can play brown noise, but most skills stop after about an hour. Here's how to loop it longer, plus a browser alternative that runs all night.
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Probably the Best Free White Noise Online
Downloadable white noise? Skip the file. Stream free white noise instantly in your browser, no app or account, with 7 colors and live controls.
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Free Pink Noise — Play Online, All Night
Stream free pink noise online instead of hunting for a pink noise mp3 — no download, no app, no account. Adjust tone, waves, and a sleep timer live.
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I Scored Severe on Two Misophonia Tests — What That Means
Misophonia test scores of 'severe' are worth taking seriously, but only a clinician can diagnose it. Here's what the tests measure, and how noise can help.
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