Growth spurt or eating habit change?

I breast feed Brooklyn who will be 3 months in just a couple days. This week she has been so cranky and cries to the point where she won't calm down and seems like she's absolutely starving. She normally eats every 2-3 hours but lately it's every hour or barely making it to 2 hours. She doesn't really ever cry like she has been. Is this a growth spurt? She also has been having a hard time sleeping during her normal naps throughout the day and it seems like I have to be right there in her sight at all times if she even thinks about sleeping now...not complaining just different behavior

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    About Lyndsey Gerton
    Current: Thornton, Colorado
    Birth: September 14
    On since: Jun 13, 2014
    I'm a new mommy and couldn't be happier! I'm enjoying staying home with my little one and cherishing every moment I can.