Hardmode: no healing ever.
Easy mode: you heal 5 hp per long rest.
Folks either way I'm not making it past one one week, hell I'm worried I'll make it through one day if it's a good day to laugh.
Source material
https://youtube.com/shorts/Jpo1Uh1uZCU
I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy: