Marpac 580 SleepMate Review, White Noise Sound

We’ve bought the  Marpac 580 SleepMate white noise sound conditioner for review.  We then ran it for a few months in the bedroom, without ill effects.  Excellent, EXCELLENT sleep aid ! The Marpac 580A SleepMate sound conditioner offers the best white noise sound of the devices tested. It has similar white noise sound  to the dual-speed SleepMate 980A, reviewed … Continue reading Marpac 580 SleepMate Review, White Noise Sound