http://travelskills.com/2017/06/28/sleep-pods-la-san-francisco/ http://www.sfgate.com/travel/article/Sleep-your-way-from-SF-to-LA-11256060.php
Yeah, you can ride a bus all night long for $115, or you can just fly there in a little over an hour for even cheaper.
People taking this bus service are doing it for the experience. From the picture it looks like bus travels along HWY-1 rather than I-5 or HWY-101 which is more customary.