This VR sleep aid add-on on Steam intends to enhance the ease of sleeping. - Road to VR
This Steam Add-on Aims to Make It Easier to Sleep in VR
Sleeping in VR has become a popular phenomenon, with avatars seen sleeping in virtual worlds. OyasumiVR - VR Sleeping Utilities, a software designed to automate tasks and make VR sleeping more comfortable, has been created. It can detect when you are asleep and dim headset brightness, trigger avatar animations, handle invite requests, and automate SteamVR settings. It also offers additional features such as creating shutdown sequences. The software was originally set to release on August 25th but is now available for free on Steam. Visit the source for the full list of features to see if it suits your needs.
Source: https://www.roadtovr.com/steam-vr-sleep-software-oyasumi/