Time stamp                Domain               Message                                                                     Duration    Delay
==========                ======                =======                                                                     ========    =====
UUID: (null)
2016-02-08 22:36:56 -0600 Start                 powerd process is started
2016-02-08 22:36:56 -0600                       Summary- [System: No Assertions] Using Batt(Charge: 87)
2016-02-08 22:36:56 -0600 Assertions            Kernel Idle sleep preventers: IODisplayWrangler
2016-02-08 22:37:51 -0600 Assertions            PID 92(hidd) Created UserIsActive "com.apple.iohideventsystem.queue.tickle" 00:00:00  id:0x0x900000181 [System: DeclUser kDisp]
Sleep/Wakes since boot at 2016-02-08 22:36:56 -0600 :0   Dark Wake Count in this sleep cycle:0

Time stamp                Domain                Message                                                                     Duration    Delay
==========                ======                =======                                                                     ========    =====
UUID: (null)
2016-02-08 22:42:24 -0600 Start                 powerd process is started
2016-02-08 22:42:24 -0600                       Summary- [System: No Assertions] Using Batt(Charge: 85)
2016-02-08 22:42:24 -0600 Assertions            Kernel Idle sleep preventers: IODisplayWrangler
2016-02-08 22:43:00 -0600 Assertions            PID 92(hidd) Created UserIsActive "com.apple.iohideventsystem.queue.tickle" 00:00:00  id:0x0x900000189 [System: DeclUser kDisp]
Sleep/Wakes since boot at 2016-02-08 22:42:24 -0600 :0   Dark Wake Count in this sleep cycle:0

Time stamp                Domain                Message                                                                     Duration    Delay
==========                ======                =======                                                                     ========    =====
UUID: (null)
2016-02-08 22:44:53 -0600 Start                 powerd process is started
2016-02-08 22:44:53 -0600                       Summary- [System: No Assertions] Using Batt(Charge: 84)
2016-02-08 22:44:53 -0600 Assertions            Kernel Idle sleep preventers: IODisplayWrangler
Sleep/Wakes since boot at 2016-02-08 22:44:53 -0600 :0   Dark Wake Count in this sleep cycle:0

Time stamp                Domain                Message                                                                     Duration    Delay
==========                ======                =======                                                                     ========    =====
UUID: (null)
2016-02-08 22:56:18 -0600 Start                 powerd process is started
2016-02-08 22:56:18 -0600                       Summary- [System: No Assertions] Using Batt(Charge: 83)
2016-02-08 22:56:18 -0600 Assertions            Kernel Idle sleep preventers: IODisplayWrangler
2016-02-08 22:57:10 -0600 Assertions            PID 92(hidd) Created UserIsActive "com.apple.iohideventsystem.queue.tickle" 00:00:00  id:0x0x90000018e [System: PrevIdle DeclUser kDisp]
2016-02-08 22:58:07 -0600 Assertions            PID 72(apsd) Released ApplePushServiceTask "com.apple.apsd-login" 00:01:32  id:0x0xb0000014b [System: DeclUser kDisp]

2016-02-08 23:03:51 -0600 :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 92(hidd): [0x000000340009018e] 00:06:40 UserIsActive named: "com.apple.iohideventsystem.queue.tickle"
No kernel assertions.
Idle sleep preventers: IODisplayWrangler