The hitbox of villagers and baby villagers is too small when they are in a bed

The bug

The hitbox of villagers and baby villagers is too small when they are in a bed.

How to reproduce

1. Spawn a baby villager or a villager
2. Place a bed near the villager
3. Set the time to night
4. Press F3+B to show hitboxes
5. Look at the villager's hitbox once it is in bed

Example

Here are screenshots of the bug: