oh you poor thing.
OK so you didnt feel like that last time, but dont forget that last time you only had youself to look after, not your daughter too.
I found my second a lot harder than my first but was reminded of that very same thing.
All pregnancies are different but at the moment it sounds as if you are experiencing pretty normal side effects, of course call your midwife to discuss as she may send you for blood tests to check your iron levels etc.
The aches and pains are the ligaments softening and (i dont know how old your daughter is) if you are carrying her then you could put extra pressure on your back.
With my first, a boy, i could sleep for england, with my second, a girl, i was sick a lot. Perhaps its a gender thing?
Anyway, eat little and often to keep your blood sugar stable and rest as much as you can.
I hope it passes soon for you