hi, i have been having the same. im 37 weeks pregnant, i have called midwife i few times about it and she as told me that it is the baby moving down and no having any room to move now. as for feeling sick n not sleeping i really have lost alot of sleep, i can seem to get cool my face is always hot n sweaty. n it doesnt help with this weather. i have been eating a lot of ice cubes and drinking a lot of iced water that heling a bit. n sleeping with just a sheet. hope this helps n good luck