My head is spinning.

There are many reasons for head drowsiness, common reasons are:1, fatigue, poor sleep quality, will show that brain cells do not get enough rest, and performance for attention is not concentrated, memory decline, head drowsiness and so on. 2, chronic ischemia and hypoxia of the head, long-term hypoxia in the environment, or cerebral arteriosclerosis, cerebral vascular stenosis, hyperlipidemia and other reasons caused by brain cells long-term blood supply deficiency, can also be shown as the head of the drowsiness. 3, tension headache, long-term desk work or neck muscle fatigue will show the head muscle fascia stretch and show a sense of drowsiness. 4, sinusitis, sinusitis can also make people show head drowsiness. According to their symptoms to control to see which cause, for the cause of treatment.