2018-06-30 22:25:01 +0200 : Showing all currently held IOKit power assertions Assertion status system-wide: BackgroundTask 0 ApplePushServiceTask 0 UserIsActive 1 PreventUserIdleDisplaySleep 0 PreventSystemSleep 0 ExternalMedia 0 PreventUserIdleSystemSleep 0 NetworkClientActive 0 Listed by owning process: pid 108(hidd): [0x000007b200098455] 00:00:00 UserIsActive named: "com.apple.iohideventsystem.queue.tickle.4294968044.17" Timeout will fire in 300 secs Action=TimeoutActionRelease pid 85(backupd-helper): [0x00000b33000b8561] 00:00:09 BackgroundTask named: "backupd-helper" Kernel Assertions: 0x4=USB id=659 level=255 0x4=USB mod=01.01.70, 01:00 description=com.apple.usb.externaldevice.1a130000 owner=BCM20702A0 id=660 level=255 0x4=USB mod=01.01.70, 01:00 description=com.apple.usb.externaldevice.1a160000 owner=FJ Camera Idle sleep preventers: IODisplayWrangler