Yolly you are not alone. I wake up around those times too and yes usually starving later in the wee hours. I usually can't be bothered to get up and eat though.

When I am trying to get to sleep I have itchings all over and then later on in the night I am also having aching hips. Today I have a stitch like pain down my right side of my belly as well. I am thinking it is referred pain from a pinched nerve in my lower back.