Are you sleep - 一定是错. It should be: 1. Are you sleeping?你是否在睡觉? 2. Are you sleepy?你是否有睡意? 3. Are you asleep? - 你是否熟睡?
Are you sleeping?
"are you sleep?" is definitely wrong! There must be some mistakes. It should be: Are you asleep? Are you sleepy? Are you sleep deprived?