According to a survey conducted by the Department of Health, the insomnia rate in Hong Kong is as high as 20%, while it varies from 4% to 22% in various parts of the world. The report reflects that the insomnia problem of Hong Kong people is close to the world's top. Long-term insomnia can seriously affect physical and mental health, such as slow response, increased risk of depression, memory loss, decreased immune system, overweight or obesity, heart disease and diabetes.
Studies have shown that the older you are, the more you suffer from insomnia. Up to 35% of people over the age of 70 experience insomnia. The probability of women suffering from insomnia is also higher than that of men. Prolonged use of electronic products at night will cause the retina to be affected by blue light, reduce the secretion of melatonin which helps sleep, delay and shorten the sleep time. With increasing age, the secretion of melatonin will be greatly reduced and must be supplemented.