Or cat thinking "it's 1030 in the morning why isn't human at work? Probably fired or something. Better not affect my nip supply."
I am sure he likes his person nearby more often. When I had a work from home system admin job, my kitty was at her happiest. She would lay on top of the tower, doze, and every so often wake up and meow at me for an ear or chin scritch. Cats are the best!