Sleeping on your back at night, leukorrhea like water flowing out may be the result of ovulation, vaginitis, cervicitis, etc., and can be treated by timely cleaning, use of medication and so on. 1. Ovulation: At this time, due to the increasing level of estrogen, the amount of female vaginal secretions will become more, and thinner, transparent, filament, thus appearing to sleep at night lying on the floor, leukorrhea like water out of the situation. More than normal, can be cleaned up in time, keep the local clean can be. 2. Vaginitis: due to bacterial and other pathogenic bacteria infections, patients can appear thin, watery secretions, accompanied by odor, which leads to the appearance of sleeping on the floor at night, leukorrhea like water flow out of the situation. At this time, patients need to follow the medical advice to use tinidazole, metronidazole and other drugs for treatment. 3. Cervicitis: Because the cervix is invaded by pathogenic bacteria, the local mucous membrane is damaged, can also lead to increased vaginal discharge. If it is clear that it is Neisseria gonorrhoeae infection, you can follow the doctor’s instructions to use cefaclor and other drugs for treatment. If you are sleeping on your back at night, and the leukorrhea looks like water flowing out, it is recommended that you consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and target the treatment.