Why You Wake Up Exhausted After Dreams _ Sleep Science
You slept eight hours. You dreamed vividly. You woke up feeling like you ran a marathon. Your body is rested. Your mind is exhausted. The problem is not how much you slept. It is how much your brain worked while you were sleeping.During REM sleep, the stage where most vivid dreaming occurs, your brain is almost as active as when you are awake. The prefrontal cortex, responsible for decision-making and logic, is suppressed. The amygdala and limbic system, responsible for emotion and memory, are hyperactive. This mismatch means you can experience intense fear, joy, or grief without the ability…
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