Abstract: A structure for housing a bed, for protection of a sleeper against serious injury or death from damage or collapse of the surrounding residence in an earthquake. The bed protection structure has two kinds of for this purpose: various structural integrity preservation, including means to both enhance the structural strength of the bed protection structure and to also allow the bed protection structure to respond to severe mechanical shocks resulting from impact of parts of the residence structure, while maintaining structural integrity of the bed protection structure; and anti-ballistic penetration, to resist ballistic penetration of residence structure debris fragments into the interior of the bed. The structural integrity preservation include an overall geometry of the form of a modified tetragonal anti-prism or MTAP; triangular spacing of structural members in the MTAP geometry; axially reinforced structural members; and vertical support members containing shock absorbing.