Sleepy and sleepless. What's going on?

Sleepy and sleepless, belongs to a kind of insomnia. Sleep is not good for many reasons, such as environmental factors, due to temperature, environmental noise, air humidity changes and other factors, will cause sleepless situation; there are physiological factors, such as age, sleep time less, and mental factors, such as anxiety, depression and so on can also cause sleepless. Sleepy and sleepless, may also be caused by neurasthenia, neurasthenia itself is a psychological problem, and personal constitution, living environment, working environment, etc. In addition, the body's heart disease and other diseases can also cause sleepless. Taking some drugs can improve the quality of sleep. At the same time, it is recommended that patients adjust their living conditions, find out the reasons for sleepless as soon as possible, and treat the causes.