Want to improve guest’s sleep and reduce noise complaints? Try Nightingale! Clinically proven by Harvard Medical School, Nightingale Hotel Sleep System uses two units, each with two speakers to fully immerse the guestroom with comfortable sound—scientifically engineered to help guests fall asleep faster and stay asleep longer. Improve guest experience and give them a better night sleep with Nightingale! Call (844) 747-9014 today!