Blech.
For the last few days, I've been feeling absolutely wretched. A mild head cold I started the week with turned into something else and navigated downward into my throat and lungs, so I've been coughing and have had next to no energy. I ended up sleeping away half the day yesterday, quite by accident.
I'm feeling moderately better today -- but I'm still out of sorts. It's the after-party hangover feeling you get from being ill.