First of all, we must know that most patients with insomnia are mainly due to the increasing pressure of life, resulting in overuse of the brain, overwork, irritability, and excessive pressure of life. There are no effective symptoms caused by excretion. The ultrasonic humidifier can effectively clean the air and emit fragrance, let you choose a good ultrasonic humidifier can not only relax your body and mind on a busy day of your work; dropping lavender essential oil into the humidifier can make The entire living space is filled with fragrances, thereby improving the quality of your sleep.