Lag when respawn.

I died and respawn. and then lag. after few seconds. lag will stop.

STEP TO REPRODUCE:
1. Create a survival world.
2. Use /tp ~ ~100 ~
3. Wait until you died.
4. Respawn when you die.
5. Your game is now lag.

UPDATE:This also happen with 16w04a. If you open the Pause Menu, And then Close it, It will Stop the Lag