The puerperal sweat usually lasts for about half a month. The puerperal sweat is the process of a large amount of sweating in the postpartum period, after the birth of a baby, the skin of the mother is very strong excretion function, and more afraid of heat, will discharge a large amount of sweat, especially when just waking up, and more obvious at night when sleeping. Many women often find that they sweat more after they get up from bed, and their hair and clothes may get wet, which is normal in most cases. This is because sweating is the way to get rid of the excess water in your body during pregnancy. If you sweat a lot, you need to pay attention to hydration. If you sweat too much and do not hydrate in time, it may cause dehydration and heatstroke, so you should drink more water at ordinary times. In addition, the room should be kept at a more appropriate temperature, not too stuffy, you can turn on the air conditioning in the summer, do not close the doors and windows tightly to avoid heatstroke.