My mother is 49. She has high bp problem for 9-10 years now. From last 1 and half year she is facing this problem when she wakes up in the morning during summer days she occasionally spits out the blood. But this time in winter season too she faced the same problem. There is never a sign of blood during brushing or any other time of day or night. Back then she sometimes feel severe headache. Doctors tell that this is only because of high bp problem. Could this be because of some issue in brain? And how could a person bp increase while sleeping? And if it is only because of hig bp then whats the solution to stop this as the problem becomes more frequently these days. Please help.