Although, there could be others we do not know only three humans are recorded in Scripture as having gone to Heaven. Enoch, Moses and Elijah. That’s who Paul may have meant. Agains, humans are inactive upon death, but read the word, ‘sleep’, like it means the dead are running marathons.
To which cult do you belong?
Your knowledge is severely lacking for you to make such assertions. where was it Paul said He went, the third Heaven?