Why does my head feel heavy and I feel sleepy all the time?

Head heaviness and excessive sleepiness may be caused by multiple factors: 1. Sleep deprivation: Poor sleep quality is a common cause, such as insufficient deep sleep or interrupted sleep, leading to dizziness and fatigue the next day. 2. Anemia: In anemia, hemoglobin levels in the blood fall below the normal range, reducing the blood's ability to carry oxygen and affecting oxygen and blood supply to the brain. 3. Chronic diseases: Conditions such as hypothyroidism and cerebral hypoperfusion can affect the body's metabolism and blood circulation, leading to insufficient energy supply and causing symptoms like fatigue and excessive sleepiness. 4. Mental stress: Long-term high-pressure states and excessive mental tension can cause brain fatigue, resulting in feelings of head heaviness and drowsiness. 5. Other factors: Excessive fatigue, lack of exercise, and malnutrition can also lead to symptoms of head heaviness and increased sleepiness. Maintaining a regular lifestyle, engaging in appropriate physical exercise, and ensuring a balanced diet can help prevent and alleviate these symptoms. If concerns persist, prompt medical consultation is recommended.