A mattress support system for a bed, comprising a base section, a wire support section, and an upper section. The different pressure zones may be created by various means such as by creating posts in the walls of the capillary pump, by having different sized capillary of the different zones, by changing the wetting properties, by defining friction at the walls of the pump or by combinations of any of the above. Moreover, information with regard to the power being supplied to the motor is taken and stored.