Why does menstrual cramps hurt more at night?

When menstrual cramps occur, due to the parasympathetic excitement at night, the night is not as much of a distraction as the day, all the attention is focused on the menstrual cramps, so it will feel the pain is more severe, the night will be more painful than the day. When dysmenorrhea occurs, you can drink more hot ginger sugar water or brown sugar water, fruit juice, soy milk, to promote blood circulation in the body, the discharge of menstrual blood, to relieve the symptoms of dysmenorrhea, you can also use a hot water bag to warm the lower abdomen to relieve dysmenorrhea. If these methods do not improve significantly, you can also take oral painkillers, such as codeine tablets or ibuprofen pellets or tramadol tablets, or you can inject atropine or morphine injection to relieve the symptoms of dysmenorrhea. It is best to go to the hospital for ultrasound to check if the dysmenorrhea is caused by organic lesions, such as adenomyosis, a disease caused by the displacement of the endometrium into the myometrium, which can cause dysmenorrhea and is more severe, and requires oral progesterone or birth control pills to relieve dysmenorrhea.