Abstract Sleep deficiency increases the risk of cerebrovascular diseases. However. the effects of sleep deprivation (SD) on cerebral blood flow have been poorly studied. We examined the effect of 24-h of SD on the resting posterior cerebral artery (PCA) and middle cerebral artery (MCA) flow velocities (FV). https://www.getpureroutine.com/mega-choice-hydrodol-before-2-dose-4-capsules-online-now-clearance/