What Causes Waking Up Feeling Completely Unrefreshed and Exhausted?
1. Introduction Waking up feeling completely unrefreshed and exhausted is typically caused by severe fragmentation of sleep architecture, frequently driven by obstructive sleep apnea, periodic limb movement disorder, or chronic psychological hyperarousal. Even if a patient spends a full eight hours in bed, underlying physiological disruptions can prevent the brain from reaching the deep, restorative … Read more