Eveytime I die. I respawn in the edge of the world not in my bed.

Put the summary of the bug you're having here

What I expected to happen was...:
I was expecting to respawn at my bed after I die.

What actually happened was...:
What actually happen was that the game respawn me at the corner of the world.

Steps to Reproduce:
1. I tried to make sure In all different ways to die and does the same effect.
2. Different ways to kill myself: TNT, fall damage, creeper, drowning, cactus. Buried alive.
3. Then I just spawn at the corner of the world