Not sure: Lots of things can cause someone to feel tired and weak, even when sleeping a lot. Mono & other infections, anemia, medications, alcohol and drug abuse, hypothyroid, diabetes, depression . . . . Enough reasons to see your physician for a thorough checkup. Good luck to you.
Answered 9/7/2019
5.6k views
Sleep a lot: Agree with dr. Pappas. Also need workup to rule out sleep disorders.
Answered 5/8/2016
5.6k views
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