Donald cannot sleep. Many homespun remedies are tested: counting his debts, autohypnosis, jogging, political speeches, lullabies and, last but not least, an electronic cradle. But all to no avail. Finally Huey, Dewey and Louie seek advice from a doctor of snoozeology. He suggests a contrary method: what their uncle needs is a stringent reason to stay awake, then fatigue will come automatically. And indeed, when the nephews lead Donald to believe that he has to wait for an important call, he soon falls into comforting slumber.