I recently purchased the Crane Ultra Sonic Cool Mist Humidifier for my home. I noticed the difference in air quality right away and was able to sleep peacefully without worrying about dry skin, lips, and nose bleeds that typically come with the Arizona heat and pregnancy. We love our humidifier and are looking forward to using one for our baby when he arrives this November. Overall, the product is phenomenal and has made sleeping at night much more comfortable for us.