Dreaming is a very normal thing and a normal physiological phenomenon. If you dream frequently every day, it proves that the quality of sleep is poor, which can easily cause endocrine disorders, mental weakness, memory loss, and is not good for your health. There are many reasons for dreaming: physiological factors such as overwork, mental stress, high-intensity work and study before bedtime. Environmental factors such as noisy resting environment, strong light, and low room temperature can affect sleep. Drug factors can also affect sleep, asthma drugs such as aminophylline, caffeine, can also affect sleep. Disease factors, such as anxiety and depression, can also be accompanied by sleep disorders, insomnia and excessive dreaming, which need to be treated for the cause.