It drowses and dreams all the time. It's best to leave it be if it's just woken up, as it's a terrible grump when freshly roused from sleep.
Type
Attributes
Expansion
Number
Rarity
Release
Regulation
Formats
Energy Types
Species
HP
Retreat
Weakness
Resistance
Stage
Evolves From
Artist
Psychic • Colorless
If your opponent's Active Pokémon is Asleep, this attack does 120 more damage.
Colorless
Your opponent's Active Pokémon is now Asleep. During Pokémon Checkup, your opponent flips 2 coins instead of 1. If either of them is tails, that Pokémon is still Asleep.