Steady AC Hum for Sleep | 8 Hours of Air Conditioner Sounds | Black Screen

Eight hours of air conditioner sounds for sleep, with airflow, a low machine hum and a black screen after the brief opening. The lights are off. The room has settled down. The air conditioner keeps running. Choose a comfortable volume and let this steady sound sit in the background as you wind down. Subscribe to Black Screen Sounds for more fan, rain and ventilation sounds to return to. SOUND PROFILE • Air conditioner airflow and machine hum. • No added rain, music or narration. • One quiet startup cue as the sound gradually fades in over 15 seconds. • A brief subscription message fades away by 0:16; the screen then stays black. LISTENING GUIDE 0:00 Gentle start and brief opening 0:16 Steady air conditioner sounds and black screen 4:00:00 Halfway through — the same air conditioner ambience #AirConditionerSounds #BlackScreen #SleepSounds