What causes a racing heart and high blood pressure while sleeping?

Many causes: Many common causes include: -a diet high in fat and cholesterol -not exercising regularly or not exercising hard enough -being overweight -a family history of high blood pressure -tobacco use -stress -some birth control medicines -kidney and hormone problems if you have high blood pressure, you should be seen by your family practice physician.

Not normal: These are typical signs of sleep apnea, a condition which involve periods of ten seconds or more without breathing (apnea) and periods of time with shallow breathing and a significant decrease in blood oxygen levels (hypopnia). This condition can be diagnosed by a sleep specialist with either an overnight at home sleep test or at a sleep clinic.