Absolutely. And don't be ashamed to speak with your disabled students accomodations office about getting the accommodations you need. If you test slowly, request extended time. If depression or something else keeps you from getting stuff done during the week, ask for flexible deadline extensions. People are hesitant to request accommodations they genuinely need and it boggles my mind.

It's especially important for math and science STEM fields -- I wouldn't be making any progress on my math degree if I didn't request accommodations and left it up to individual instructors whether to approve or deny my requests for extensions