I've given thought to exactly how to get out my escape window, which is wider than it is tall. It is not as wide as my height. Swing one leg out, face down, swing other leg out, belly on sill now, ease on out further, while grasping sill with freakish adrenalin strength, as my center of gravity traveled past the sill gravity would take over, my struggle to hang on would slow the decent until the escape window banged down on my fingers breaking my grip, dropping me a couple feet to the ground, feet first, fall down, or not, get out of way by rolling or take a step aside to assist anybody else coming out. Who cares if you sprain an ankle in those circumstances? Don't store a bunch of shite under you window to impede exit. In fact I would guess that a ladder would slow down an escape, fumbling for a footing, thereby slowing down the next persons escape increasing their risk. Throw yer butt out the window and get outta the way.
Bill