Playtime?

This funny picture book ode to the struggles of bedtime is perfect for fans of Mo Willems's Don't Let the Pigeon Stay Up Late! Bedtime can be a challenge for the best of us. But when you're a fun-loving, overactive pet gorilla, bedtime is downright hard. Who would want to go to sleep when Playtime is so much more fun? But the gorilla's responsible friend thinks enough is enough; no more fun and games.
It's not Playtime--It's Bedtime! So the boy turns off the lights and the gorilla goes .