Days are ROUGH when they start at 5am. Days can be rough when they start a little later too of course, but it helps to have an extra hour or two of sleep.
My son has gone through various periods in his short life where he decides 5 or 5:30 are good times to wake up. I wasn't well equipped for the first one and got up with him, but now I know there are ways to fix this! Read below for some possible causes -- and solutions (!) of early wakers.