It's both. Sleep is when trained skill get delegated into the muscle memory. Not sure if it relates to dreaming. https://en.wikipedia.org/wiki/Muscle_memory#Sl

It's both. Sleep is when trained skill get delegated into the muscle memory. Not sure if it relates to dreaming. https://en.wikipedia.org/wiki/Muscle_memory#Sleep_effects_on_muscle_memory https://en.wikipedia.org/wiki/Muscle_memory#Sleep_effects_on...