Saving 5 times

[10:34:49] [Server thread/INFO]: Saving and pausing game...
[10:34:49] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Overworld
[10:34:49] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Nether
[10:34:49] [Server thread/INFO]: Saving chunks for level 'buggy :O'/The End
[10:35:54] [Server thread/INFO]: Saving and pausing game...
[10:35:54] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Overworld
[10:35:54] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Nether
[10:35:54] [Server thread/INFO]: Saving chunks for level 'buggy :O'/The End
[10:36:38] [Server thread/INFO]: Saving and pausing game...
[10:36:38] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Overworld
[10:36:38] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Nether
[10:36:38] [Server thread/INFO]: Saving chunks for level 'buggy :O'/The End
[10:36:41] [Server thread/INFO]: Saving and pausing game...
[10:36:41] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Overworld
[10:36:41] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Nether
[10:36:41] [Server thread/INFO]: Saving chunks for level 'buggy :O'/The End
[10:36:42] [Server thread/INFO]: Stopping server
[10:36:42] [Server thread/INFO]: Saving players
[10:36:42] [Server thread/INFO]: Saving worlds
[10:36:42] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Overworld
[10:36:42] [Server thread/INFO]: Saving chunks for level 'buggy :O'/Nether
[10:36:42] [Server thread/INFO]: Saving chunks for level 'buggy :O'/The End
[10:36:49] [Client thread/INFO]: Stopping!

Why does it save 5 times?