Still tired!

Katelyn • Expecting #2 in September
Anyone still crazy tired in their 2nd trimester? I'll be 17 weeks on Saturday and I'm still exhausted. I'll sleep 9 hours and still want a nap at 1p (not possible since I work full time). I'm exercising at least 30 mins 4-5x a week, so I know it's not inactivity. Anyone have any tips for beating the sleepies?