PROBLEM TO BE SOLVED: To provide a bed on which a user can lie on users stomach without any burden on a body for a long time.SOLUTION: The bed 1 includes: a mat part 3 on which a recess having a size enough to at least house a nose of the user U on the surface center at the head side and a frame part with a floor surface body 10a on which the mat part 3 is placed. The frame part includes: a frame part body 10 a pair of frame corner parts 11, 12 in which the corner part at the head side is separated from the frame part body 10 and jack parts (drive parts) 13 for moving floor surface corner parts 11a, 12a of the pair of frame corner parts 11, 12 in the lower direction than the floor surface body 10a to stop the floor surface corner parts in a desired position and for returning to the position of the floor surface body 10a.COPYRIGHT: (C)2013,JPO&INPIT【課題】うつ伏せ状態で体に負担なく長時間横たわることができるベッドを提供すること。【解決手段】ベッド1が、頭部側表面中央に、少なくとも利用者Uの鼻を収容する大きさの凹部が設けられたマット部3と、マット部3が載置される床面本体10aが設けられたフレーム部と、を備え、フレーム部が、フレーム部本体10と、フレーム部本体10から頭部側の隅部が分離してなる一対のフレーム隅部11,12と、一対のフレーム隅部11,12の床面隅部11a,12aを床面本体10a位置よりも低位方向に移動して所望の位置に停止させ、かつ床面本体10a位置まで復帰させるジャッキ部(駆動部)13と、を備えている。【選択図】図3