The Beds Are Duplicate

I placed down my bed in survival I went to sleep then woke up.The next (Minecraft) morning I found my bed on one block one bed then the other another bed

*What I expected to happen was to wake up and find my dog right infront of me with NO double bed
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Place down a bed
2. Go to sleep
3. wake up
4.Look at your bed
5.Its Duplicate!