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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