drowsy, drowsing, dozy -- (half asleep; "made drowsy by the long ride"; "it seemed a pity to disturb the drowsing (or dozing) professor"; "a tired dozy child"; "the nodding (or napping) grandmother in her rocking chair")
drowsy, oscitant, yawning -- (showing lack of attention or boredom; "the yawning congregation")
(Sound)
