i loose all of my energy half way through the day I m a generally healthy person. I m female - 22 years old - average height and weight. I haven t really had any known health issues before. Lately though it s been hard. About half way through the day it s like hitting a wall. I loose all of my energy, and I just want to lay in bed and sleep for the rest of the day. The first half of my day is active, but not nearly enough to make me feel like this. On a side note, not sure if it s relevant, my hands and feet are always cold. And it takes a really long time to get them to warm up, if they ever do. In the summer my feet turn beat red in the heat too. I usually have fitful sleeping as well. Don t remember the last time I slept through the whole night. Are any of these connected? Should I be worried?