An adjustable bed (26; 32; 112), comprising: a mattress support that comprises a plurality of support panels, at least one of said support panels movable relative to the other ones of said support panels to thereby adjust the bed (26; 32; 112); a mattress resting on top of the mattress support, said mattress having a covering material disposed over at least a top surface of the mattress; at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) coupled to the bed (26; 32; 112), wherein the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) are each adapted to have a voltage based on proximity of an object to the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114), wherein a first capacitive component of the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) comprises a metal frame associated with the adjustable bed (26; 32; 112), wherein a second capacitive component of the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) comprises a capacitive sensor (20, 22) positioned around the perimeter of the panels of the mattress support; and wherein a processor is coupled to the first and second capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114), the processor adapted to receive information provided by the first and second capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) and to determine that a respective change in voltage satisfies a respective threshold, and the processor adapted to detect presence of the object underneath the panels of the adjustable bed (26; 32; 112) if the change in voltage of the first capacitive component satisfies the respective threshold and to detect presence of the object above the panels of the adjustable bed (26; 32; 112) if the change in voltage of the second capacitive component satisfies the respective threshold. a mattress support that comprises a plurality of support panels, at least one of said support panels movable relative to the other ones of said support panels to thereby adjust the bed (26; 32; 112); a mattress resting on top of the mattress support, said mattress having a covering material disposed over at least a top surface of the mattress; at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) coupled to the bed (26; 32; 112), wherein the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) are each adapted to have a voltage based on proximity of an object to the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114), wherein a first capacitive component of the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) comprises a metal frame associated with the adjustable bed (26; 32; 112), wherein a second capacitive component of the at least two capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) comprises a capacitive sensor (20, 22) positioned around the perimeter of the panels of the mattress support; and wherein a processor is coupled to the first and second capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114), the processor adapted to receive information provided by the first and second capacitive components (20, 22, 24; 34, 36, 38; 40; 72; 80; 88; 96; 104; 114) and to determine that a respective change in voltage satisfies a respective threshold, and the processor adapted to detect presence of the object underneath the panels of the adjustable bed (26; 32; 112) if the change in voltage of the first capacitive component satisfies the respective threshold and to detect presence of the object above the panels of the adjustable bed (26; 32; 112) if the change in voltage of the second capacitive component satisfies the respective threshold.