The Midnight Thief Riddle

Question: There was a man who sleeps from 10:00 p.m to 5:00 a.m. He never wakes up between his sleeping time. During 12:00 midnight, he found himself in his neighbor's house. His neighbor is sleeping. He secretly stole his precious frame. Then, it was 5:00 a.m. He woke up and by 7:30 a.m he visited his neighbor's house. There he sees his neighbor's precious frame. He thought he stole it. How is this possible?

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