Early stage of lung cancer is usually not accompanied by insomnia symptoms, which may be asymptomatic or only manifested as cough and other symptoms; insomnia may be caused by mental tension and other reasons.
Early stage of lung cancer may have no obvious clinical manifestations, or symptoms such as cough, blood in sputum, dyspnea, abnormally high body temperature and limited wheezing may occur. Early stage of lung cancer is usually not accompanied by insomnia symptoms. If symptoms such as coughing up sputum and dyspnea are obvious, it may affect the quality of sleep.
The causes of insomnia are more diverse, including psychological tension, stress due to unfamiliarity with the surrounding environment, physical discomfort and other factors. If you suspect lung cancer, you can go to a professional medical institution for chest X-ray, serum tumor markers and other tests to clarify whether lung cancer exists.