Riddles

Tom had a rough night. He was really sleepy, and was awake almost all night. Finally, He went to bed, and found that he had a nice sleep. In the Morning, Tom's Alarm clock went off, and since he went to bed late, he threw the alarm clock out the window. In the afternoon, he heard on the Radio that two thousand poeple got killed, and that it was all his fault. How was it his fault? Clues: 1. Tom had not sleep walked or got up during the night 2. He wasn't on any medication, and was not mental. 3. Tom had no friends or enemies