Kings put bulk of former Sleep Train Arena property on market For more information please click here to contact Tuan Nguyen By Bizjournals.com Feed (2019-07-12 16:19:27) | February 28, 2022 Much of the former Sleep Train Arena property in Natomas is going to be available for bidders, weeks after the Sacramento City Council approved a new set of entitlements for it. Posted in Sacramento Business Journal