A bed chair apparatus has a user support surface which includes a back section (I), a seat section (14), a lower leg section (15) and a foot section (16) that are configured to articulate relative to each other. The support surface is configurable in a bed configuration in which the support surface is substantially flat and in a chair configuration in which the foot section (16) is disposed beneath the seat section (14). Some embodiments of the apparatus require only a single actuator (46). A pivoting platform apparatus is also disclosed.