ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,833, issued on March 31, was assigned to Hill-Rom Services Inc. (Batesville, Ind.).

"Monitoring a sleeping subject" was invented by Zvika Shinar (Binyamina, Israel), Maayan Davidovich (Haifa, Israel), Tal Klap (Ramat Gan, Israel), Smadar Hoffert (Givat Shmuel, Israel) and Guy Meger (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus and methods are described, including apparatus for use with a subject who shares a bed with a second person. A motion sensor detects motion of the subject and motion of the second person, and generates a motion signal in response thereto. A control unit identifies components of the motion signal that...