Why am i so tired? eating healthy and exercising. seem to be getting a lot of sleep. but always feel exhausted

Many possibilities: There are too many possibilities to begin to diagnose this without a comprehensive examination - probably some lab work too. It's good that you are following what sounds like a healthy life-style. That should help in dealing with whatever is found to be the cause of your exhaustion. Good luck!

Sleep study: There could be several reasons for your exhaustion, but hard to say without a thorough history and exam. You may need to have a sleep study to determine if you are getting "quality sleep." also, chronic fatigue syndrome is something you might want to research also. But get to a dr.