Milk is best consumed one hour before going to bed at night, the effect is the best.

1.

The first reason, if you drink milk at night when you go to bed, it will make the peak of the metabolism of the calcium rich in milk occurs in the stage of sleep, the metabolism of the urinary system will not be immediately excretion of calcium, which can lead to the accumulation of calcium in the urinary system, resulting in a high incidence of urinary tract stones.

2.

The second reason is that milk contains more or less water, and drinking it too close to bedtime can lead to an increase in the number of nighttime awakenings, which affects sleep.