The Whispure is an air purifier that wont disturb your sleep Simply turn it on and leave it on And its energy efficient using about the same wattage as an ordinary light bulb Designed to blend into your home dcor the Whispure works anywhere even against the wall or in a corner Intelligently designed with a large open face for air intake and top flow air output youll be amazed at just how much clean air is quietly delivered into your entire room