不允许休眠

$ systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target

查看状态

$ systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target

允许休眠

$ systemctl unmask sleep.target suspend.target hibernate.target hybrid-sleep.target

参考：

​​https://zhuanlan.zhihu.com/p/468870436​​