Celebrate sleep with Dr. Seuss's classic rhyming bedtime story picture book. Van Vleck, a very small bug, is getting sleepy, and his yawn--contagious as yawns are--sets off a chain reaction, making all those around him feel sleepy, too With typically Seussian nods to alarm clocks, sleepwalking, and snoring, this charming ode to bedtime will lull listeners (and readers) toward dreamland. Zzzzzzzzzz.