It’s Cold Outside… Cozy Fan Heater Noise for Sleep | Reef Aquarium (Black Screen After 1 Hour)

Fan heater white noise for sleep with a relaxing reef aquarium in the background. The steady heater fan sound creates a warm, cozy ambience that helps block distractions and make falling asleep easier. After one hour the video fades to a black screen so the sound can continue through the night without lighting the room. Perfect for sleep, relaxation, studying, or reducing background noise.