Sleep: What Is Your Body Doing While You’re Unconscious?
Every night, consciousness disappears but the body does not simply shut down.
Your brain reorganizes activity. Hormones change. Body temperature falls. Memories are processed. Immune signals shift. Metabolism changes. And throughout the night, the brain repeatedly moves through different stages of sleep.
In Episode 5 of Inside Your Biology, we investigate what sleep actually is, why humans need it, and what happens when we consistently do not get enough.
We explore circadian rhythms, melatonin, adenosine, deep sleep, REM sleep, memory, metabolism, immunity, cardiovascular function, and the…
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