A nestable anti-ligative bed linen device and system comprising individual bed linen units wherein a plurality of such units may nest therein and be securely positioned in place on a mattress. Said individual bed linen unit of this system comprising a blanket attached to a cover sheet at a point of union at their common ends. Said union positioned towards the edge of said common ends to allow space for nesting. Said union positioned underneath a mattress by a given distance to allow multiple bed linen units to securely position on a mattress in nested form. The anti-ligative features include a union positioned at a location on said bed linen unit to prevent a lanyard from being formed. Other anti-ligative features include quilted thick tear resistant material and a built in pillow. Additional safety mechanisms are included such as a motion sensor and alarm.