Waking up around 4:00 a.m. Is it cancer?

Waking up at four o 'clock in the middle of the night is not cancer, most of them are due to sleep disorder, may be due to long-term insomnia caused by early waking up, most of them and mental stress, excessive brain use, long stay up late and other problems, can be applied to calm sleep Chinese medicine to improve and adjust, symptoms will be improved. If there is long-term snoring and obstructive sleep apnea syndrome, even showing psychological disorders, will also show early morning easy to wake up, early wake up will show sweating, flushing, palpitation, shortness of breath and other performance, should go to the hospital general internal medicine clinic in time for detailed examination, determine whether the body has organic disease.