To keep them from rolling out of bed
Because he didn't want to walk in his sleep.
A: To see how long he slept.
So he could roll down the window when it gets too hot. How we joke in Kurdistan
A chicken and an egg are lying in bed. The chicken is leaning against the headboard smoking a cigarette with a satisfied smile on its face. The egg, looking a bit ticked off, grabs the sheet, rolls over and says ... "Well, I guess we finally answered THAT question!"
Its not that hard
Bernie Sanders!!
The "head" nurse.
She's the one with dirty knees.
Because everything that stays there just ends up dying.