Invalid hammock

A bed for an invalid comprising a hammock suspended above the mattress of a bed, said hammock having a plurality of openings therein, said openings being positioned in the vicinity of contact points for shoulder blades, hip bones, end of spine and heels of a patient lying therein, said hammock being joined at each end thereof to adjustable members whereby said hammock may be raised and lowered, said hammock being adjustable to fit patients of different sizes.