Tightness in the head may be caused by prolonged short sleep, decreased sleep quality, mental stress, primary headache and other diseases or blood pressure abnormalities, as follows: 1. prolonged short sleep, decreased sleep quality: patients may experience head drowsiness and tightness in the head during the daytime. 2. excessive mental stress, excessive tension: patients may also experience tightness in the head. 3. primary headache and other diseases Diseases: For example, in case of tension headache, there can be swelling, soreness and dull pain at the top of the head, frontal-temporal area and back of the head, and most of them are considered to be tightness and pressure. 4. Patients with abnormal blood pressure: For example, increased blood pressure may cause headache and may also cause tightness in the head. 5. Cervical spondylosis: If patients have cervical spondylosis, it may also cause tightness in the head. Therefore, the corresponding etiological treatment is needed for different diseases.