apm-sleep software package provides virtual package provided by sleepd, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install apm-sleep
apm-sleep is installed in your system.
Make ensure the apm-sleep package were installed using the commands given below,
$ sudo dpkg-query -l | grep apm-sleep*
You will get with apm-sleep package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Virtual packages |
| Package | apm-sleep |
| Version | |
| Description | virtual package provided by sleepd |
| Sub Section | virtual |