Run on sentence. A comma splice is a sentence that uses a comma when it should instead be either a colon, semicolon, or conjunction, and there is no comma so that is wrong. There should also be a period between bed and he. Here is what the complete senctwnces would look like: My dog sleeps beside my bed. He wakes me up in the middle of the night to let him out.
Answer:
Did you ever get in trouble at school? What was a typical school day like for you? How old were you when you started school?