The Arena version feels a bit weak comparatively - while that isnt a total dealbreaker, it does make you wonder what the thinking behind the move was
The other two guides offer step-by-step instructions on how to play the game, build a deck, and navigate cards and how they work together
There was a thread a few months back for the Pok-Emotions game with a focus on Sleepy linked here which would likely give you a starting point, but I would imagine it is not all inclusive to every card with a sleeping Pokemon
1st Edition English cards first appeared with the very first Pokmon TCG set, Base Set , and ended with Neo Destiny , while 1st Edition Japanese cards first appeared with the Pokmon VS expansion (no English equivalent) and ended with the Expansion Pack 20th Anniversary set (the English equivalent being Evolutions )
It works specifically well in decks with Polymorph, which can get it into play early on