Yes, it does. And unless you're dealing with a tweeker or someone intent on killing you rather than just robbing you, alerting them is enough to send them quickly on their way.
I keep a Glock G19 9mm loaded next to my bed with an extra clip at the ready. I don't bother with a shotgun.
“And unless you’re dealing with a tweeker or someone intent on killing you rather than just robbing you, alerting them is enough to send them quickly on their way.”
I wouldn’t bet my life on it.