I think it must be, because I have the same thing happen to me. Sometimes it all I can do to lay on the couch and even too fatigued to change the channels with the remote. I though I was just lazy.
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Bipolar I, Depression, GAD Meds: Zoloft, Zyprexa, Ritalin
"Each morning we are born again. What we do today is what matters most." -Buddha