Why Do You Sleep All Night But Still Feel Tired_ Relaxing Facts To Fall Asleep To episode artwork

EPISODE · Apr 21, 2026 · 2H 24M

Why Do You Sleep All Night But Still Feel Tired_ Relaxing Facts To Fall Asleep To

from Sleep Science · host Sleep Science

You climbed into bed at ten. You woke up at six. Eight full hours. And you feel like you barely rested. 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 to question whether the threat is real. Your heart rate increases. Your breathing becomes irregular. Your body is paralyzed, but your nervous system is in overdrive.Waking up during or immediately after REM sleep can leave you disoriented, anxious, and exhausted because your brain has not had time to downshift. The emotional residue of the dream lingers. The cortisol that spiked during the nightmare takes time to clear. The solution is not less dreaming. It is completing full sleep cycles.Turn down the lights, put on your headphones, and press play because the dream that felt so real left a hangover your body cannot metabolize.

Episode metadata supplied by the publisher feed · Published Apr 21, 2026

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