I don't have any guns at all, I deplore violence of any type, BUT, I guy I know very well keeps a Glock 41 loaded with 185 grain +P Remington Golden Sabers in his nightstand, a spare magazine, a surefire light, and an Ontario Bagwell Bowie on his side of the bed (and a large sleeping collie, to act as a stumbling block for any intruder, 'cause he sure as H--L wouldn't wake up...).
I believe he mentioned that his wife, a short tempered, excellent shot, only keeps an S&W M&Pc with a full sized magazine full of +P JHPs and a spare, and a Laser Devices Operative light. Both with light/laser combos and night sights. I think he also mentioned a smaller collie that is a loud, alert little dog that would serve as a trip wire, and the alarm, and the Mossberg M590A1 full of OOO Magnum, and...

As for me, I have a cordless phone with 911 on speed dial, that's really all I need...