Napping equipment must:(1) Not block entrances or exits to the area;(2) Not be set up during other activities or left in place to interfere with children's useable activity space;(3) Be arranged to provide a sufficient walk and work space for caregivers between each cot or mat; and(4) Be arranged so that each child and caregiver has access to a walkway without having to walk on or over the cots or mats of other children.