Guys, guys...
There's no way to prove either or.
He said he took a nap. He probably did.
He said he flew around the Earth a lot, he probably did and the Anime shows that he did do both.
The manga is canon and the anime doesn't contradict that. Therefore, we go with the anime cause it has something to go by.
But, let's not get ahead of ourselves here: Nemebro is correct in the argument because Astner did his math wrong. 313
haha, just kidding. I simplified a force calculation by crossing out the same value in the numerator and the denominator...but that happened to the be the acceleration constant, which is necessary in order to express the force calculation: twas an idiotic mistake. So, no biggie, right? Just be right 95% or more the time when you do the math and you're still smart. awesome