I'm two weeks out and have tons of energy. But last night I slept 8 hours and then took a two hour nap today.. I usually get 5 hours max a day. Am I sick or is this normal to get a sleepy spell?

Normal. Remember that you have had major surgery and your body needs to heal. Getting enough sleep is key in the healing process. Not getting enough can hold back your healing and cause other problems for you.

I was like that for the first few months. I would have days where I was just more tired than others. It's still early and you're still healing!

I'm the same as MrsG. At a little over two months I have energy some days and others I still take a nap. The naps are becoming fewer though:)

You are progressing just fine. Rest if you wanna!