Do a search of this subforum using the magnifying glass icon upper right. Both issues have been well discussed in numerous prior threads. The Shutdown option is missing (hidden by CSS coding) from the My Cloud Dashbaord in the current v2.x firmware for the single bay My Cloud. The current workaround is to either use the WD QuickAccess software which has a shutdown option for the v2.x single bay My Cloud, use SSH to issue the shutdown command, or open up the Dashboard and modify the CSS code each time to unhide the Shutdown option so it can be selected.
https://community.wd.com/t/safe-shutdown/147307/37
https://community.wd.com/t/how-to-safely-shutdown-mycloud/155265
The sleep issue affects both the older generation v4.x single bay My Cloud and the newer generation v2.x single bay My Cloud units. There are a variety of methods, mostly using SSH to turn off certain services, to try and deal with the sleep issue. Here are a few prior threads discussing the sleep issue.
https://community.wd.com/t/mycloud-wont-sleep-after-update-help/96645
https://community.wd.com/t/sleep-awk-script/145039
https://community.wd.com/t/mycloud-does-not-go-to-sleep-standby-perhaps-the-solution/158591
https://community.wd.com/t/this-resolved-my-cloud-sleep-mode-issue/157059
