It’s okay to sleep in the same bed when your period comes, but you can’t have sex because if you have sex during your period, it can easily cause bacterial infection and gynecological inflammation, and it may also cause menstrual blood to flow backwards, causing endometriosis, pelvic adhesions and chronic pelvic pain, which are all relatively common symptoms. During your period, you should pay attention to keeping warm, don’t eat cold food, especially chilled food, don’t get cold, ensure sufficient sleep, don’t work hard and stay up late, pay attention to vulva hygiene, change sanitary napkins at any time, wash your vulva with warm water every night, change your underwear, wear cotton breathable underwear, which can reduce the occurrence of gynecological diseases.