ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,565, issued on March 3, was assigned to Homeradar ShenZhen Technology Co. Ltd (Shenzhen, China).

"Lamp control method, sleep monitoring method and device based on biometric data" was invented by Yixuan Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention pertains to lamp control and sleep monitoring using biometric data. The method includes several steps: first, using millimeter wave radar to obtain the point cloud height of center of gravity for azimuth data points; next, evaluating whether the detected movement qualifies as a half getting-up action; subsequently determining if it is a full getting-up action; and finall...