Reasons you wake up exhausted even after 8 hrs of sleep

Sleeping for eight hours does not always guarantee restful sleep. Persistent morning fatigue can be linked to poor sleep quality, sleep apnea, stress, irregular sleep schedules, dehydration, nutritional deficiencies, medications or underlying health conditions. Dr Vivian Kapil notes that the brain needs adequate periods of deep, slow-wave sleep and REM sleep for physical and emotional restoration.