If it is daytime, you can change your night pants every 2-3 hours, and if it is night, you can change your night pants every 8 hours or so. Night pants are sanitary pants, which are pants-type sanitary napkins. It can also be called sweet pajamas, comfortable pajamas, comfortable pants and safety pajamas. Physical pants are underwear specially designed for women's special physiological period, that is, women's menstrual underwear.
Health pants are a waterproof and breathable fabric covering the bottom and back of underwear, which has two opposite properties: "water is impermeable and sweat is permeable", and has high technology content, which can effectively prevent women from leaking after menstruation. Health pants have long been popular in developed countries such as Europe, America and Japan, and have become a necessity in women's sexual life.