get up at the wrong end of bed vs get up on the wrong end of bed

Some examples from the web:

• We get caught here, we're staring at the wrong end of a firing squad.
• I extend a modest apology to my friend Mr Bourlanges for being at the wrong end of my gavel earlier today but I believe the House appreciated voting expeditiously.
• But then you're looking at the wrong end of £912.
• I've been at the wrong end of his gun more than once.
• Storm sewer? I think you're close, but you're at the wrong end of the urban cycle.
• Look, you've come at the wrong end.
• Fletcher met the long arm of the law at the wrong end of a shotgun and the deep end of a grave at the far end of a dead-end road.
• You're at the wrong end.
• Jim, the Van Goghs are down at the wrong end.
• I came all this way just to get stuck at the wrong end of this rock pile?
• Something told me I got into the wrong end of this business.
• Definitely been on the wrong end of that conversation, my man.
• On the wrong end of a shotgun.
• Besides, you might find yourself on the wrong end of things.
• That man ended up on the wrong end of a noose...
• It looked at ports through the wrong end of the telescope.
• Definitely been on the wrong end of that conversation, my man.
• You really have got the wrong end of the stick.
• Listen, you've got the wrong end of the stick.
• I'm on the wrong end of a lawsuit.

Some examples from the web:

• That man ended up on the wrong end of a noose...
• I don't want to wind up on the wrong end of a friendly fire report.
• I wouldn't want to wind up on the wrong end of a car bomb.
• It's his attitude anyways- he's going to end up on the wrong end of a nightstick.
• And if there are one or two exceptions I can only assume they ended up on the wrong end of my gun to satisfy some karmic breech.
• Definitely been on the wrong end of that conversation, my man.
• On the wrong end of a shotgun.
• Besides, you might find yourself on the wrong end of things.
• Definitely been on the wrong end of that conversation, my man.
• I'm on the wrong end of a lawsuit.
• I think you started on the wrong end of the list.
• Bobby tried to stop 'em, he went for one of their guns and wound up on the wrong end of it.
• Now, I want you to feel what it's like to be on the wrong end of your grand disdain.
• Man, I hope I'm never on the wrong end of that smile, J.R.
• My mom was on the wrong end of a stickup.
• Sometimes I think we're on the wrong end of the spy game.
• Well, Congressman Rasmussen, we're just surprised to see you come out on the wrong end of this, is all.
• It's just not much fun being on the wrong end of it.
• Looks like you might be on the wrong end of it.
• It feels like I'm on the wrong end of an intervention.