To provide an abnormality notification system and the like, capable of accurately presuming a condition of an object person on the basis of a biological information of the object person measured on a bed.SOLUTION: An abnormality notification device comprises: biological signal acquisition means acquiring a biological signal of an object person on a bed; a biological information value calculation means calculating a biological information value using the acquired biological signal; presumption means presuming a condition of the object person on the basis of the biological information value; and notification means performing notification when it is determined by the presumption means that the condition of the object person is abnormal.SELECTED DRAWING: Figure 1【課題】寝床で測定された対象者の生体情報値に基づいて、精度良く状態を推測することが可能な異常報知システム等を提供すること。【解決手段】寝床における対象者の生体信号を取得する生体信号取得手段と、取得された生体信号から生体情報値を算出する生体情報値算出手段と、生体情報値に基づいて前記対象者の状態を推測する推測手段と、推測手段により前記対象者の状態が異常と判定された場合に報知を行う報知手段と、を備える。【選択図】図1