tedyun@iMac ~ % pmset -g assertions
2020-10-18 16:06:12 -0700
Assertion status system-wide:
BackgroundTask 1
ApplePushServiceTask 0
UserIsActive 1
PreventUserIdleDisplaySleep 0
PreventSystemSleep 0
ExternalMedia 0
PreventUserIdleSystemSleep 1
NetworkClientActive 0
Listed by owning process:
pid 133(WindowServer): [0x00000254000983ba] 00:00:00 UserIsActive named: "com.apple.iohideventsystem.queue.tickle serviceID:1000007f9 name:AppleHIDKeyboardEve product:Magic Keyboard eventType:3"
Timeout will fire in 300 secs Action=TimeoutActionRelease
pid 401(sharingd): [0x00000268000183c9] 00:00:24 PreventUserIdleSystemSleep named: "Handoff"
pid 394(UserEventAgent): [0x0000027d000b83d7] 00:00:03 BackgroundTask named: "com.apple.AddressBook.ScheduledSync"
Created for PID: 1072.
pid 394(UserEventAgent): [0x0000015c000b8388] 00:04:52 BackgroundTask named: "com.apple.corespotlightd.updateContacts"
Created for PID: 542.
pid 394(UserEventAgent): [0x0000004e000b82e3] 00:09:23 BackgroundTask named: "com.apple.coreduet.sync.update-source-device-identifiers"
Created for PID: 396.
pid 1072(AddressBookSourceSync): [0x0000027d000183d4] 00:00:03 PreventUserIdleSystemSleep named: "Address Book Source Sync"
Timeout will fire in 1796 secs Action=TimeoutActionTurnOff
Kernel Assertions: 0xc=USB,BT-HID
id=500 level=255 0x4=USB creat=10/18/20, 4:08 PM description=com.apple.usb.externaldevice.14900000 owner=BRCM20702 Hub
id=501 level=255 0x4=USB creat=10/18/20, 4:08 PM description=com.apple.usb.externaldevice.14500000 owner=USB2.0 Hub
id=504 level=255 0x4=USB creat=10/18/20, 4:08 PM description=com.apple.usb.externaldevice.14b00000 owner=4-Port USB 3.0 Hub
id=506 level=255 0x4=USB creat=10/18/20, 4:08 PM description=com.apple.usb.externaldevice.14200000 owner=4-Port USB 2.0 Hub
id=510 level=255 0x4=USB creat=10/18/20, 4:09 PM description=com.apple.usb.externaldevice.14b10000 owner=4-Port USB 3.0 Hub
id=512 level=255 0x4=USB creat=10/18/20, 4:11 PM description=com.apple.usb.externaldevice.14210000 owner=4-Port USB 2.0 Hub
id=516 level=255 0x4=USB creat=10/18/20, 3:57 PM description=com.apple.usb.externaldevice.14213000 owner=USBPre2
id=518 level=255 0x8=BT-HID creat=10/18/20, 3:57 PM description=com.apple.driver.IOBluetoothHIDDriver owner=AppleHSBluetoothDevice
id=519 level=255 0x8=BT-HID creat=10/18/20, 4:01 PM description=com.apple.driver.IOBluetoothHIDDriver owner=AppleHSBluetoothDevice
id=521 level=255 0x4=USB creat=10/18/20, 4:04 PM description=com.apple.usb.externaldevice.14520000 owner=Orbit Wireless Mobile Trackball
Idle sleep preventers: IODisplayWrangler