1. People with frequent urination or poor kidney metabolism are not suitable for drinking milk at night, which will cause a great burden on the kidneys, and at the same time make you get up frequently, and the quality of sleep is getting worse and worse.

2. In the case of gastrointestinal dysfunction, it is not suitable to drink milk at night, because in this case, you can't digest and absorb protein in milk well, which will increase the burden on the stomach and bring you some influence.

3. People who are prone to edema in the morning, that is, people whose eyelids are always swollen when they get up, are not suitable for drinking milk at night, which is not conducive to lipid metabolism and is easy to cause edema. Don't drink it for health.

But milk can help you sleep.

This is because milk contains an amino acid called L- tryptophan, which has a calming effect, so drinking a glass of milk before going to bed can really help you sleep, improve the quality of sleep, make you feel sleepy and fall asleep faster, so if you have insomnia troubles, you might as well drink a glass of warm milk before going to bed, which can help you sleep better, improve the quality of sleep and sleep more soundly.