Night of the Waking Tigger is an episode from the first season of The Book of Pooh. It originally aired on January 17, 2002.
Tigger resolves that he is wasting too much fun time by sleeping through the night, and decides to stay up constantly from now on. But Pooh, Piglet and Rabbit start going crazy when Tigger shows up late in the night to see what sort of funny things they must be doing. Eventually, they sing a lullaby to send Tigger to sleep, and he learns that he was the only one staying up all night the whole time.