People with sleep apnoea and hard-to-control high blood pressure may see
their blood pressure drop if they treat the sleep disorder, Spanish researchers
Patients get used to it
Difference in systolic pressure
The systolic pressure, the top number, measures the pressure in the arteries
when the heart beats. The diastolic pressure, the bottom number, measures the
pressure in the arteries between beats.
For more information on sleep apnoea, visit the US National Heart, Lung, and Blood Institute.