| Type | normal |
| Category | Status |
| Power | 0 |
| Accuracy | — |
| PP | 10 |
| Introduced | Generation 2 |
User performs one of its own moves while sleeping.
When a Pokémon is holding Normalium Z and uses its Z-Power, Sleep Talk turns into Z-Sleep Talk and raises critical-hit ratio one stage, in addition to its usual effect as above.
| Gold Silver Crystal | Randomly attacks while asleep. |
| Ruby Sapphire | Uses an own move randomly while asleep. |
| FireRed LeafGreen | While asleep, the user randomly uses one of the moves it knows. |
| Emerald | Uses an available move randomly while asleep. |
| Diamond Pearl Platinum HeartGold SoulSilver | While it is asleep, the user randomly uses one of the moves it knows. |
| Black White Black 2 White 2 | While it is asleep, the user randomly uses one of the moves it knows. |
| X Y O.Ruby A.Sapphire | While it is asleep, the user randomly uses one of the moves it knows. |
| Sun Moon Ultra Sun Ultra Moon | While it is asleep, the user randomly uses one of the moves it knows. |
| Sword Shield B.Diamond S.Pearl | While it is asleep, the user randomly uses one of the moves it knows. |
| English | Sleep Talk |
|---|---|
| Spanish | Sonámbulo |
| Italian | Sonnolalia |
| Japanese | ねごと (Negoto) |
| German | Schlafrede |
| French | Blabla Dodo |