when the delay specified in systemd-sleep.conf elapsed. This will trigger activation of the special target
NAME systemd, init
NAME systemd-cat
NAME systemd-cgls
NAME systemd-cgtop
NAME systemd-creds
NAME systemd-run
NAME systemd-path
NAME sleep - delay
NAME systemd-delta
NAME systemd-id128
NAME systemd-mount
NAME systemd-vpick
NAME systemd-notify
NAME systemd-escape
NAME systemd-analyze
NAME systemd-inhibit
NAME systemd-measure