Does a 15 minute nap refresh you ?!

United States
January 13, 2009 11:37am CST
Sometimes when I get drowsy in the day-time, I can doze off and take a 10-15 minute nap that totally refreshes me and I'm fine afterward. This comes from the days when I would go to school full-time and work full-time and I had to grab sleep whenever possible. My boyfriend thinks that this is really weird that I can be fine after about 15 minutes (his naps last an hour or longer). Is this really a strange thing, or are some of you guys able to do this as well? Is 15 minutes enough, or do you need and hour or more?