So tired and it's making me worried

Blueswan • Sun, Sep 11 • 🏳️‍🌈 (Pan/demi, she/they) A smart feminist who writes, sews, cooks, etc. kundalini/Sikh follower, and hopefully successful college student. ADHD/anxiety

I've been feeling tired most of the time for months. I'm fairly healthy, eat well, walk 3 miles a day, sleep a lot...but I'm still tired. Anyone know what this could be?