With the Crawl mod for Minecraft 1.14 you can crawl and hide from enemies in the supine position (default button “v”).
How to install:Install Rift for 1.13 version or Fabric Mod Loader for 1.14.
Download the mod.
Go to %appdata%.
Go to the C:\Users\User_Name\AppData\Roaming\.minecraft\mods folder.
Drag and drop the downloaded .jar file into it.
If one does not exist you can create one.
Play and enjoy!
crawl-1.14_0.0.2.jar [0.01 Mb]