Growth spurts signs? i think im going through one!?

For the past 2 weeks i been getting very hungry fast and sleepy and tired all the time! i heard your ankles and legs hurt during a growth spurt but my legs don't hurt why is this? Also when i have to poo i been having diarrhea is this normal during a growth spurt? btw i am 16 years old male at a height of 5'7 and 122 pounds! i been getting stomach pain but not that painful is that normal?