Villagers head geometry; reappearance of the issue from 1.13.0.6

The issue from 1.13.0.6 has re-appeared in 1.13.0.13 beta. Villagers are still looking at their feet when sleeping in a bed. Seperate issue to MCPE-50551.

Steps to Reproduce:

1. Spawn villager
2. Set the time to night
3. Wait for the villager to sleep

Observed Results:
Villagers look at their feet when sleeping.

Expected Results:
The head of a villager should be fine, as they shouldn't be looking at their feet while sleeping.

Screenshots/Videos attached:

Notes: From [Mojang] Mega_Spud (Jay Wells) :
Thank you for taking the time to mention these bugs. It would be most helpful if you could keep these reports to one bug per ticket though, so we can track the progress of each of them individually.

(Simplifying this ticket to describe the issue regarding Villagers.)