what are the odds of waking up on turn 1, 2, 3 etc in RBY?
Sleep prevents Pokémon from making a move for a random number of its turns (unless it is put to sleep by Rest, in which case it always lasts 2 turns). The specifics vary between generations.
Generation I Sleep lasts 1-7 turns (1-3 in the Stadium series); this counter is not reset upon switching out. A Pokémon cannot move on the turn it wakes up.
It lasts a random number of turns between 1-7. That means there is about a 14% chance a Pokemon will wake up every turn.
Source
Hope I could help!