The sun has gone down and it is officially bedtime for the sleepy Dinosaur Juniors, but one tiny T-Rex is having a lot of trouble! While Otto is exhausted and ready to snore, his twin sister Winnie is completely and entirely wide awake. Desperate for some company, she wakes up poor Otto so he can help her finally drift off to dreamland. From singing soft dinosaur lullabies to counting fluffy dino-sheep, the tired brother tries absolutely every trick in the book to help Winnie fall asleep. But the more they try, the sillier their late-night antics become! Will these two little dinosaurs ever manage to close their eyes and catch some sleep? This spectacularly sleep-inducing story is filled with warm humor and bouncy rhymes that perfectly capture the funny struggles of bedtime. Tuck yourself in and join the prehistoric siblings for a delightfully restless night!