Unexplainable File Size

Hello!

I've been going through my iCloud mail because I got a nice little message saying that my storage was reaching its limit. Nothing too crazy. Mostly junk I've been saving for no apparent reason, but when I looked at my iCloud account info for my email, I was shocked to see that my drafts folder was almost 1.5 G in size!

The thing is, there are no drafts in that folder… Spooky! Sure it says that there are 196 messages, but I can not find them anywhere!

What do you think, Internet/Apple/Cathulu?