A kind of pressure-sensitive bed,Include: a supporting body,It lies down for a user； One pressure-sensing device,The loading end of corresponding what supporting body is set,The distribution of weight information of pressure-sensing device sensing user's what supporting body； And an analytical equipment,Pressure-sensing device is electrically connected,The state of couching of user is analyzed according to distribution of weight information,State of couching includes a sprawl,When pressure-sensing device sensing user's what supporting body distribution of weight information,Without the use of by signal line,Patch and electrode are glutinous on the user's body,And can the person of being not used discover it is lower and can the person's of being not used movement under the influence of,Sense the state of couching of user.一種感壓床，包含：一承載體，供一使用者躺臥；一壓力感測裝置，設置對應於承載體之承載面，壓力感測裝置感測使用者於承載體的重量分佈資訊；以及一分析裝置，電連接壓力感測裝置，根據重量分佈資訊而分析使用者的躺臥狀態，躺臥狀態包括一躺臥姿勢，當壓力感測裝置感測使用者於承載體的重量分佈資訊，不需使用由訊號線、貼片及電極黏在使用者身上，而能在不被使用者察覺下且能不被使用者動作的影響下，感測使用者的躺臥狀態。
