Cardiology Questions Answered by Verified Cardiologists.
Yes, stress is also a risk factor for high blood pressure. You should talk to your doctor about stress management and possibly medication to control your stress until things improve.
If your brain is not getting enough oxygen, it will wake you up. This can happen for various reasons including a sleep disorder like sleep apnea (in which affected persons stop breathing temporarily), severe heartburn in which acid reflux causes the windpipe to stay closed for awhile, or even a rhythm problem with the heart.