Dreaming is a normal physiological phenomenon during sleep. Everyone has dreams, but there are many, few; Some wake up with fresh memories, others are vague or hard to detect. Those who claim that they never dreamed just forget. Therefore, there is no need to make a fuss about dreaming. Of course, if you dream more, it will affect your normal sleep. After waking up, my mind will be groggy, my spirit will be in a trance, my whole body will be exhausted, and my dreams will haunt me for a long time. This is pathological and harmful to the body.
Your description sounds like neurasthenia. As long as we adjust our pace of life, relieve stress, recuperate nutrition and increase some exercise appropriately, the problem will get better gradually.
Because a few cells have lost the control and regulation of the whole cerebral cortex when they are awake, they think too much, that is, thinking day after day and dreaming at night may show strange dreams different from normal psychological activities.