A sleep system, comprising: a mattress (18, 158) including a movable first section extending laterally along a first portion of a width of the mattress and extending longitudinally along a first portion of a length of the mattress, a movable second section extending laterally along a second portion of the width of the mattress and extending longitudinally along the first portion of the length of the mattress, and a movable third section extending laterally across substantially the entire width of the mattress and extending longitudinally along a second portion of the length of the mattress; and an articulation system (50, 72, 190) configured to independently articulate the first section, the second section, and the third section; wherein the articulation system (50, 72, 190) comprises a first actuator positioned on a first lateral side of the mattress (18, 158), a second actuator positioned on a second lateral side of the mattress, wherein the first actuator and the second actuator cooperate to articulate the movable third section, and a controller (60, 74, 84, 200, 214, 250) configured to send one or more first motion control signals to the first actuator and one or more second motion control signals to the second actuator, wherein the first actuator control signals and the second actuator control signals are configured so that the first actuator and the second actuator operate in a substantially synchronized manner. a mattress (18, 158) including a movable first section extending laterally along a first portion of a width of the mattress and extending longitudinally along a first portion of a length of the mattress, a movable second section extending laterally along a second portion of the width of the mattress and extending longitudinally along the first portion of the length of the mattress, and a movable third section extending laterally across substantially the entire width of the mattress and extending longitudinally along a second portion of the length of the mattress; and a movable first section extending laterally along a first portion of a width of the mattress and extending longitudinally along a first portion of a length of the mattress, a movable second section extending laterally along a second portion of the width of the mattress and extending longitudinally along the first portion of the length of the mattress, and a movable third section extending laterally across substantially the entire width of the mattress and extending longitudinally along a second portion of the length of the mattress; and an articulation system (50, 72, 190) configured to independently articulate the first section, the second section, and the third section; wherein the articulation system (50, 72, 190) comprises a first actuator positioned on a first lateral side of the mattress (18, 158), a second actuator positioned on a second lateral side of the mattress, wherein the first actuator and the second actuator cooperate to articulate the movable third section, and a controller (60, 74, 84, 200, 214, 250) configured to send one or more first motion control signals to the first actuator and one or more second motion control signals to the second actuator, wherein the first actuator control signals and the second actuator control signals are configured so that the first actuator and the second actuator operate in a substantially synchronized manner. a first actuator positioned on a first lateral side of the mattress (18, 158), a second actuator positioned on a second lateral side of the mattress, wherein the first actuator and the second actuator cooperate to articulate the movable third section, and a controller (60, 74, 84, 200, 214, 250) configured to send one or more first motion control signals to the first actuator and one or more second motion control signals to the second actuator, wherein the first actuator control signals and the second actuator control signals are configured so that the first actuator and the second actuator operate in a substantially synchronized manner.