ASLEEP

[adjective] [after verb] - sleeping or not awakeI'm surprised to see you awake - ten minutes ago you were fast/sound (= completely) asleep.I was so tired I fell asleep (= I went to sleep) during the lecture.Someone who is (half) asleep is not paying attention because they are tired or thinking about other things.If your arm or leg is asleep, it cannot feel anything because it has been in the same position for so long that the blood supply has been cut off.