Steady fan noise designed for insomnia relief and uninterrupted deep sleep, presented in complete darkness.This 12-hour black screen recording features smooth, consistent white noise generated by a stable airflow profile, creating a calm and sleep-safe nighttime sound environment.The fan sound remains even and continuous, without mechanical clicks, speed changes or tonal fluctuations. The broadband white noise gently masks background disturbances while maintaining a soft and balanced acoustic texture suitable for overnight listening.There are no sudden bursts, no rhythm changes, no voices and no distracting elements. The sound remains stable and controlled throughout the entire recording.This fan white noise ambience is especially effective for:• insomnia relief• anxiety reduction• tinnitus masking (broadband support)• blocking snoring & environmental noise• uninterrupted deep sleep🎧 Recording Details:• steady white noise fan profile• balanced broadband frequency spectrum• smooth airflow texture• no mechanical artifacts• no sudden volume spikes• stable RMS for overnight listening• visual: pure black screen (no light)🌐 More Ambient ChannelsNature Sounds Therapyhttps://www.youtube.com/channel/UCXmqKRmmSKc6ZmzzLdYq7UARainy Havenhttps://www.youtube.com/channel/UCceRGDzY8GBiP6GYhUDbJYQEndless Rivershttps://www.youtube.com/channel/UCnCq294rCeNaUtVdNRL6H5Q✨ Support Our Work👉 https://patreon.com/NatureSoundsTherapy🌿 More Ambience👉 https://solo.to/naturesoundstherapy🌑 SLEEP IN DARKNESSBlack screen sleep sounds. No visuals. No light. Just deep rest.© SLEEP IN DARKNESS