Slowpoke never learns hypnosis unfortunately.
Slowpoke doesn't learn hypnosis
Wobbuffet cannot learn Hypnosis.
It Learn Hypnosis At Level 16 Must Catch Level 16
Snorlax does not learn hypnosis.
Slowpoke does not learn Surf by levelling up, but it can learn Surf via HM in all generations.
Espeon cannot learn Hypnosis by any method.
Level 19
Level 13.
Yanmega cannot learn Hynosis. However, Yanma can learn Hypnosis at level 38.
I think Gardevoir is a good Pokemon who learns Hypnosis at level 51
lvl 41
you can catch a ralts on route 102 and put an everstone on it, then it will learn hypnosis at level 41