Read the conversation and answer the question.
Ece: I wake up at 7 a.m. every day. Then I take a quick shower and have breakfast. I leave home at 7:40 to catch the school bus.
Ozan: I wake up later, at 7:30. I don't have breakfast at home; I eat a sandwich on the way to school. My first lesson starts at 8:30.
Ece: My first lesson is also at 8:30, but I get up earlier.
Ozan: Do you go to bed early?
Ece: Yes, I go to bed at 9:30 p.m. I need 9.5 hours of sleep.
Ozan: I go to bed at 10:30 p.m. and wake up at 7:30, so I sleep 9 hours.
Who sleeps more, and how many hours more?
A)Ece sleeps 0.5 hours more than Ozan.
B)Ozan sleeps 1 hour more than Ece.
C)Ece sleeps 1 hour more than Ozan.
D)They sleep the same amount.