ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,052, issued on March 25, was assigned to NINTENDO Co. LTD. (Kyoto, Japan).

"Information processing system, information processing device, storage medium storing information processing program, and information processing method" was invented by Yurie Hattori (Kyoto, Japan) and Masahiro Kondo (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example information processing system executes a game application. The information processing system obtains user information for calculating information relating to sleep of a user, and calculates health information relating to sleep and/or fatigue of the user based on the obtained user information...