I have to say that the morning hunt usually seems more productive. Also a deer that is badly hit in the morning gives you immediate daylight to locate the first blood and the rest of the day to locate the deer. That can be a a great advantage over relying on a flashlight to try to find that first blood or your arrow.
However getting up in the dark and climbing up that killer hill is something that gets harder and harder to do as age keeps creeping up on me. I have to admit that my early morning hunts are usually now limited to opening day of gun season. It's not the way I want it, but it's getting to be the way that it has to be.
Regarding the part of this thread that deals with hunting alone vs. hunting with someone, my hunting is done alone now. The people that I used to hunt with have either stopped hunting, or moved away, or died. Yes, at my age, hunting alone is a gamble, so I stay pretty close to home and carry a cell phone for any sort of emergency. The good news is that the deer drags are usually downhill to the house......lol. No more wandering all over the hill and valley to hunt for me anymore.