I know I’ve talked about migraines quite a bit this year. The truth is, I’ve dealt with them more this year than I have in a very long time, and along the way, I’ve learned a few things I wish I’d known sooner. One of those things started with something as simple as yawning. Actually, excessive yawning. really excessive yawning. I’m not talking about a yawn or two because you’re tired. I’m talking about yawning over and over again for no apparent reason. I yawn so much in meetings sometimes my coworkers actually count them and laugh. It became one of those little office things everybody noticed. Turns out, sometimes…