Been feeling extra fatigued and hungry while breastfeeding

I’m still nursing my 11 month old and was planning to nurse for at least a few more months.. but lately I haven’t been feeling like myself... constantly tired and lazy but also starving.. I’m eating so much and feel hungry in like 10 min 🙈 I took a test about two weeks ago and it was negative.. wondering if it’s worth going out to get another!

Also thought I started my Period for the first time since getting pregnant 3 weeks ago.. it was very light and only lasted 3 Days..