The invention relates to an analyzing unit (9′) for connecting to at least one sensor (12) which can be coupled to sleeping or reclining furniture in order to detect vibrations, movement, and/or sound. The analyzing unit (9′) is designed to process and analyze the signals of the at least one sensor (12) and detect physiological parameters (P) of a person using the sleeping or reclining furniture, and the analyzing unit (9′) is designed to transmit data to or exchange data with at least one external component. The invention further relates to a method for analyzing signals of at least one such sensor (12) and to sleeping or reclining furniture, in particular a bed (1), comprising at least one such sensor (12).