If you are a person who already has kidney calculi, it is best to drink less milk before going to bed, or even prohibit drinking milk before going to bed.

It is wrong to say that people can't drink milk before going to bed for a long time, otherwise it will lead to the phenomenon of kidney calculi. However, if you are a person who already has kidney calculi, it is very likely to speed up the process of stones, and the stones are getting bigger and bigger, which will cause unnecessary burden to your body. So in fact, what is said on the Internet should be: kidney calculi people can't drink milk before going to bed.