Drinking milk before bedtime will help you sleep. Milk contains tryptophan, which is a natural tranquilizer, can regulate human nerves and stabilize mood, so drink some before bedtime is conducive to sleep. Moreover, milk is also rich in calcium, which helps to reduce the excitability of nerve cells, so it will also help you sleep. But the milk in the active ingredients are limited, and can not play the same as the efficacy of drugs, poor sleep simply by drinking milk is generally not very useful, but also need to actively go to the regular hospital, under the guidance of the doctor to use other conditioning program. It is recommended that before going to bed with hot water to soak your feet, but also to avoid playing with cell phones and computers and other electronic products, to keep the spirit of relaxation, keep the sleep environment quiet, conducive to sleep.