It is a port of VanillaTweaks datapack 'Multiplayer Sleep', that doesn't require a trigger, and works every time.
Q - Are you tired of using datapacks that don't always work, and require restarting the server, and triggers to fix?
A - Then this is your solution, it works every time, and doesn't require a server restart to change configs.
Configuration file
The bukkit plugin version of this mod has over 33,000 downloads on spigotmc, and over 93,000 downloads on dev.bukkit.
Installing the mod on your Server
1. Make sure Forge Server is installed
2. Put the jar in your Server's mods folder
3. Run the Server!
Modpacks
You are more than welcome to include this in a modpack, it is server side.