a co - sleeping apparatus which facilitates parents sleeping with infants and / or pets is devoid of ground contacting support members , thus eliminating obstacles to vacuuming , allowing for simpler construction , portability and transport , etc . various embodiments of the present co - sleeper provide for one or more of the following : adjustable height sidewalls ; adjustable angulation of mattress platform ; suspended mattress platform in the absence of rigid vertical supports between a top supporting rail and a mattress platform ; provision of pockets / hampers along the exterior and / or beneath the co - sleeping apparatus for storage of products ; a retractable cover ; provision of mechanical bouncing , heating , rocking and sound emitting apparatuses in association with the co - sleeper , etc . in a particular embodiment , the design relates to a co - sleeper for pets , the confines of such co - sleeper permits access of pets to food , water , kitty litter , etc .