or how about pre-cut duct tape over the mouth and fast wounds that made it impossible for them to scream and were fatal within 30-40 seconds each? When you're used to sleeping in a bed with someone, esp if you've been drinking and are full of pasta, you might not wake at the slightest sound or have lightening fast responses to go all ninja on a killer. in fact, your first and last thought might be one of confusion, trying to wake enough to understand what was happening, but it would be too late. jmo