Mac盒盖掉电严重
sleep prevented by sharingd
Mac book pro 盒盖后第二天掉电 40%，而且发烫，原因是有进程阻止休眠。
通过 pmset -g 可以看到阻止的程序是 sharingd
$ pmset -g
System-wide power settings:
SleepDisabled 0
DestroyFVKeyOnStandby 0
Currently in use:
standbydelaylow 10800
standby 1
womp 1
halfdim 1
hibernatefile /var/vm/sleepimage
powernap 1
gpuswitch 2
networkoversleep 0
disksleep 10
standbydelayhigh 86400
sleep 1 (sleep prevented by sharingd)
autopoweroffdelay 28800
hibernatemode 25
autopoweroff 1
ttyskeepawake 1
displaysleep 10
highstandbythreshold 50
acwake 0
lidwake 1
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通过 pmset -g assertions 发现 sharingd 背后的程序是 接力。也就是你打开 iPhone QQ、微信等程序的时候，可能会提示剪切板来自 macboook-xxx，相当于一个云剪切板，这个功能比较鸡肋，可以去掉。
$ pmset -g assertions
2021-02-08 20:26:49 +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 505(sharingd): [0x0003f05a0001882d] 00:01:09 PreventUserIdleSystemSleep named: "Handoff"
pid 184(hidd): [0x0003d3960009a781] 00:00:00 UserIsActive named: "com.apple.iohideventsystem.queue.tickle serviceID:10003f477 name:AppleHIDKeyboardEve product:USB Keyboard eventType:3"
Timeout will fire in 600 secs Action=TimeoutActionRelease
pid 499(useractivityd): [0x0003f09e00018836] 00:00:00 PreventUserIdleSystemSleep named: "BTLEAdvertisement"
Timeout will fire in 59 secs Action=TimeoutActionTurnOff
Kernel Assertions: 0x10c=USB,BT-HID,MAGICWAKE
id=504 level=255 0x100=MAGICWAKE mod=2021/2/8 20:35 description=llw0 owner=IOSkywalkNetworkBSDClient
id=505 level=255 0x100=MAGICWAKE mod=2021/2/8 20:25 description=en0 owner=en0
id=610 level=255 0x4=USB mod=1970/1/1 08:00 description=com.apple.usb.externaldevice.14100000 owner=USB Keyboard
id=611 level=255 0x8=BT-HID mod=1970/1/1 08:00 description=com.apple.driver.IOBluetoothHIDDriver owner=AppleHSBluetoothDevice
Idle sleep preventers: IODisplayWrangler
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【偏好设置】 -> 【通用】 ，取消 允许在这台Mac和icloud设备之间使用接力
接着运行 pmmset -g 已经找不到阻止睡眠的程序了。
$ pmset -g
System-wide power settings:
SleepDisabled 0
DestroyFVKeyOnStandby 0
Currently in use:
standbydelaylow 10800
standby 1
womp 1
halfdim 1
hibernatefile /var/vm/sleepimage
powernap 1
gpuswitch 2
networkoversleep 0
disksleep 10
standbydelayhigh 86400
sleep 1
autopoweroffdelay 28800
hibernatemode 25
autopoweroff 1
ttyskeepawake 1
displaysleep 10
highstandbythreshold 50
acwake 0
lidwake 1
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另外建议盒盖前，把蓝牙、WiFi 都关掉。
sleep prevented by AddressBookSourceSync
$ pmset -g
System-wide power settings:
DestroyFVKeyOnStandby 0
Currently in use:
standbydelaylow 10800
standby 1
womp 1
halfdim 1
hibernatefile /var/vm/sleepimage
proximitywake 1
powernap 1
gpuswitch 2
networkoversleep 0
disksleep 10
standbydelayhigh 86400
sleep 1 (sleep prevented by AddressBookSourceSync)
hibernatemode 3
ttyskeepawake 1
displaysleep 10
tcpkeepalive 1
highstandbythreshold 50
acwake 0
lidwake 1
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偏好设置 -> Apple ID -> iCloud -> 取消勾选 通讯录 
不过，等 macOS 升级后，可能又不行了，需要重新登录 iCloud，我嫌麻烦，直接把 AddressBook 目录干掉。
$ cd ~/Library/Application\ Support/
$ sudo mv AddressBook/ AddressBook.bak
$ mkdir AddressBook
$ sudo chown root:wheel AddressBook
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除了把之前的干掉外，你也看到创建了一个空目录，而且修改目录权限，这样系统就不能再创建一个 AddressBook 目录 或往 AddressBook 目录中同步文件了。
整个世界都清净了。
reference
- [1] mountainas. Macbook无法进入睡眠open in new window