Nether portals teleport you while lying on a bed

When lying in bed inside a nether portal, the player continues to be teleported and is dropped at random coordinates.

Steps to reproduce:
1. Place a bed in front of a nether portal.
2. Enter the portal.
3. Before being teleported, click to sleep on the bed (needs to be at night).

Observerd Results:

The teleport bugs and you are taken to random coordinates.

Expected Results:
Keep sleeping in bed and don't get teleported.