PROBLEM TO BE SOLVED: To address such problems that a body weight oppresses blood vessels on a surface coming into contact with a bed during sleep time that is 30% of the human life and decrease in the blood flow harms even the healthy subject on some level or another and to reduce the harm and contribute to the health by creating spaces (weak-pressure parts) among pipes.SOLUTION: The pipe-laid floor includes pipes that are juxtaposed at some intervals apart in the body height direction.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】 人生の3割にもあたる、睡眠時間に体重で寝床に接する面の血管を圧迫する。健常者であっても、血の流れの減少は、何らかの悪害を受ける。パイプどうしの空間(弱圧部)を作る事で、悪害を減らし健康に寄与する。【解決手段】 パイプどうしを身丈方向に少しの間隙をもち並列に設けることを特徴とする。【選択図】図2
