Green Noise, Black Screen 🟢⬛ • 12 Hours • No Ads — Deep Sleep & Focus

Deep, steady green noise — 12 uninterrupted hours on a true black screen, with no ad breaks to interrupt your sleep or focus. Green noise sits in the middle of the spectrum, centred around 500 Hz — the range of a distant waterfall or steady rainfall. Many people find it softer than white noise and less heavy than brown, which is why it has become a favourite for falling asleep and for masking household noise. ▶ Press play, dim your screen, and let the sound fill the room. 🌙 True black screen — saves battery on OLED devices and keeps your room dark. 🚫 No ad breaks — nothing interrupts your night. 🎧 Headphones or a low speaker volume both work well. 🎼 100% original sound by Caelura Sound — generated and spectrum-verified, peak density at 481 Hz. No copyrighted samples. Great for: sleep · focus · studying · masking traffic and chatter · soothing a restless baby 🌙 Subscribe to Caelura Sound for sound for sleep, focus, and stillness. Sound for a quieter sky. This audio is for relaxation purposes only and is not a substitute for professional medical advice. #GreenNoise #BlackScreen #SleepSounds #NoiseForSleep #SoundMasking #DeepSleep #FocusMusic #12Hours #NoAds #CaeluraSound