Shouldn’t our bodies immediately react to whatever trials we just experienced? I can feel a cut right away, but ripping muscles can wait? If we didn’t sleep for 72 hours, would it hold off until then?
In: Biology
Using your example of cutting yourself, yes it hurts straight away, but 2 days later it would also hurt if you poked it. Similar thing. Your muscles are recovering, and they are mildly brushed and swollen, so when you use them, which is basically all the time, they hurt.
DOMS
Delayed-onset muscle soreness (DOMS) is muscle pain that begins after you’ve worked out. It normally starts a day or two after a workout.
Pain felt during or immediately after a workout is a different kind of muscle soreness. It’s called acute muscle soreness. Acute muscle soreness is that burning sensation you feel in a muscle during a workout due to a quick buildup of lactic acid It usually disappears as soon as or shortly after you stop exercising.
https://www.healthline.com/health/doms
The inflammation that occurs after some sort of workout doesn’t necessarily result in neural feedback straight away. But in the time you’ve slept a lot has happened and your damaged muscles will now be swollen and inflamed, thus painful.
Not sleeping may slow this down a bit but if you didn’t sleep for 3 days it should eventually be worse because you are also slowing down the healing process and your brain won’t be working optimally to process information coming from your body.
If you however do something that is significantly above your current capacity, you will notice the damage (pain) in a matter of hours. Eg, me learning how to water ski.
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