How do I find time to workout, do my homework and go to school as a full time student in college/university?

As a full timE college student I have just had the most difficult time for myself, having the time to workout and exercise. I have tried waking up at 4AM to workout for an hour before leaving for school at 6:15AM to do my assignments and attend class. In school I have a low physically active lifestyle because I'm just sitting all day. I'm tired of that, is there anyway I can find time to exercise? Just to give you an idea here is my schedule.

Monday & Wednesday
Complete assignments 6:30AM
Psychology 8:00AM
English 9:30AM
Biology 12:00PM
Math 2:00PM
Chemistry (Lecture) 6:00PM
Chemistry (Lab) 9:30PM

Tuesday and Thursday
Math 2:00PM, but I stay at school to work on assignments and receive tutoring.
How do I find time to workout, do my homework and go to school as a full time student in college/university?
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