Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons Often wake up at three or four o'clock in the morning, and still can't sleep? Doctor: I can't rule out 5 reasons