Lots of new changes in the configs for this one.
Let's start with the first thing in the backend. There is now an update checker which will let you know when a new update is available. This can be disabled in the configs.
Added ability to count afk players as sleeping
Added requirement of at least 1 player sleeping when afk players are counted
Added config option for each message type to change the color of the message
Added config for the message prompting players to click if they want it to remain night
Added <*> option for messages to select random player from world
Remember to backup and delete your config file before you update to get all the new config options!

Sleep Party 1.2.1
Very flexible player sleep plugin which has several options for configuration.