when i am on a minecart and i get on the boat and i sleep the player and camera begin jumping and begins sound such as the player falls so hard.

so here must to happen is that the player sleep correctly and don't make this movements and sounds

Steps to Reproduce:
considering that i always make this steps
1. night
2. stay on a minecart
3. on the minecart give right click on the boat
4. stay on the boat
5. on the boat give right click on the bed to start sleeping

i wish my explanation was useful for you, even though my English isn't the best