What is the difference of an sympathetic bed and close bed?

This is all in the order of nursing.What is the difference of an sympathetic bed and close bed?
An open bed have sheets turned down and ready to be inhabited. A closed bed is a fully dressed bed.
A closed bed is when you make it but the sheets and blankets are up to the top. In an get underway bed you pull the sheets and blankets down toward the foot conclude and make a V near the so the person can return with into the bed and just snatch the point of the V or triangle and pull up the blankets and sheet.