Make sure someone sets that alarm.
Yesterday my wife woke up 10 minutes before she had to go to work. We had both thought about setting the alarm the night before and both of us assumed the other had done it.
The worst part was that I had woken up about 2 hours earlier and lost track of time and did not wake her up either. Which if you have read Wife Rule #18 you know it is the husband's job to wake up his wife.