The world will go on while you are sleeping with this mod.
Somnia Mod 1.7.2 and 1.7.10 is an update of a mod that stopped updating some time. Now we can enjoy it again by another modder, that has been responsible for updating it, so now we can use it in the current version of Minecraft.

Detail and Download here : Somnia Mod

Homepage: Mods for Minecraft