休眠与下面两个因素有关

• 进入休眠的等待时间

• 是否有防止睡眠的程序运行

如何查看休眠的等待时间

命令行方式

pmset -g

System-wide power settings:
 SleepDisabled          0
 VACTDisabled           0
Currently in use:
 lidwake              1
 autopoweroff         1
 lowpowermode         0
 standbydelayhigh     900
 autopoweroffdelay    259200
 proximitywake        1
 standby              1
 standbydelaylow      600
 ttyskeepawake        1
 hibernatemode        3
 powernap             0
 gpuswitch            2
 hibernatefile        /var/vm/sleepimage
 highstandbythreshold 50
 displaysleep         2
 womp                 0
 networkoversleep     0
 sleep                5
 tcpkeepalive         1
 halfdim              1
 acwake               0
 disksleep            10

界面查看

如何查看是否有防止睡眠的程序运行

界面查看

命令行查看

输入
pmset -g

如下显示, 如果有prevented的进程, 就休眠不了
sleep                5 (sleep prevented by runningboardd)


输入
pmset -g assertions
显示
2023-05-24 16:21:15 +0800 
Assertion status system-wide:
   BackgroundTask                 0
   ApplePushServiceTask           0
   UserIsActive                   1
   PreventUserIdleDisplaySleep    0
   PreventSystemSleep             0
   ExternalMedia                  0
   PreventUserIdleSystemSleep     1
   NetworkClientActive            0
Listed by owning process:
   pid 520(WindowServer): [0x0000311800099780] 00:00:00 UserIsActive named: "com.apple.iohideventsystem.queue.tickle serviceID:100003fd2 service:AppleUserHIDEventService product:USB Gaming Keyboard eventType:3"  
        Timeout will fire in 120 secs Action=TimeoutActionRelease
   pid 179(runningboardd): [0x0000342b00019951] 00:00:00 PreventUserIdleSystemSleep named: "app<application.com.tencent.wwmapp.22473637.22473642.2F0D80C6-FE4C-4AE7-9E00-A2EA47947703(501)>179-5862-13981:com.apple.CFNetwork.StorageDB"  
        Created for PID: 5862. 
   pid 179(runningboardd): [0x0000325f00019902] 00:07:40 PreventUserIdleSystemSleep named: "app<application.com.apple.iBooksX.1152921500311880360.1152921500311880904(501)>179-919-12078:Shared Background Assertion 117 for com.apple.iBooksX(FinishTask)"  
        Created for PID: 919. 
Kernel Assertions: 0x4=USB
   id=532  level=255 0x4=USB creat=2023/5/24 15:36 description=com.apple.usb.externaldevice.14100000 owner=IOUSBHostDevice
   id=534  level=255 0x4=USB creat=2023/5/24 15:23 description=com.apple.usb.externaldevice.14110000 owner=USB Gaming Keyboard
   id=536  level=255 0x4=USB creat=2023/5/24 15:24 description=com.apple.usb.externaldevice.14120000 owner=USB Receiver
Idle sleep preventers: IODisplayWrangler