Patent ID: 11889928
Assignee: SLEEP NUMBER CORPORATION
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 11:
12. A mattress comprising:
one or more layers of foam material;
an adjustable air layer positioned adjacent at least one of the one or more layers of foam material, the adjustable air layer comprising:
an air bladder; and
an open-cell foam material positioned inside the air bladder and configured to bias the air bladder to an inflated position when the open-cell foam material is exposed to atmospheric pressure; and

a valve system fluidically connected to the air bladder and configured to regulate the air bladder, the valve system comprising:
a valve configured to selectively expose the open-cell foam material to atmospheric pressure, the valve comprising a solenoid and a solenoid controller coupled to the valve and configured to engage the valve;

a pressure sensor;
a processing unit; and
a computer memory storing instructions that are executable by the processing unit;
wherein at least some of the instructions, when executed by the processing unit, cause the processing unit to issue commands that:
open the valve for a first period of time in response to a detection of no user present on the mattress;
close the valve after the first period of time.