From Longman Dictionary of Contemporary Englishhalf asleephalf asleepATTENTIONvery tired or not completely awake Still half asleep, Jenny began to make the kids’ breakfast. → asleep
Examples from the Corpus
half asleep• Sorry, what did you say? I was half asleep.• He never lost his sense of humor, even when he was half asleep.• The old lady nodded, as if half asleep.• Inside, the Porter was half asleep behind a newspaper.• Most of the time they were half asleep, chatting about the weather.• Corporal L, the Royal Signals Operator, is half asleep in his chair.• Sorcerer felt dazed and half asleep, still dreaming wild dawn dreams.• She stayed on top of him, half asleep still.• It was a hot day, and I think I must have been half asleep when I noticed something very strange. 