ive been having problems with not having any energy like i can sleep for 8 to 12 hours wake up and feel drained like im week and dont have energy. or ill be at work and all of a sudden at the snap of a finger be so tired and week i could just fall over and if i eat something im fine but it happens again latter. would thare be any reason why ive been fealing this way and if so what could it be thank you.

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Male, Age: 27, Wisconsin