1. Treat insomnia

For middle-aged and elderly people over 40 years old, if there is chronic insomnia can use injury to improve sleep, relieve the symptoms of insomnia. Of course, make sure that the insomnia is caused by a decrease in melatonin, that's because of work stress or other causes of insomnia, melatonin may not be as effective.

2. Improve your sleep quality

In today's life, many people have a poor quality of sleep, and often have insomnia and have a tendency to wake up in the middle of the night, and even have dreams during sleep, including during naps, which tend to be very poor, and we can certainly use melatonin to improve our sleep quality. But it can also effectively improve the functional state of the whole body, so as to improve people's sleep quality.

3. Reduce the adverse effects of jet lag

At present, many people have to travel back and forth in their work and often have business trips, which can lead to jet lag or affect their biological clock, which can seriously affect the quality of sleep and melatonin has been able to adjust and restore circadian rhythm and improve the quality and effectiveness of sleep.

4. Improve memory

Melatonin can also effectively improve the body's immunity, and prevent depression, cataracts, Alzheimer's disease, treatment of glaucoma can have certain effects.