A chair bed (10) including a bedframe (20) and a mattress (32) positioned on the bedframe (20) is provided. The bedframe (20) is configured to move between a substantially flat bed position and a chair position. The mattress (32) includes an inflatable treatment apparatus such as a pulmonary rotational therapy device (110), a pulsation therapy device (112), or a decubitus ulcer treatment device (114).
