Josh, if you're getting that feeling constantly (light headedness) I would look at your last meal the night before. You should make sure you're eating enough that night to fuel your workout the next morning.
I am not saying pig out right before bed or anything, but make sure you're getting plenty of intake to hold you over until after your training session.
Class I Total @ 198: 525/335/600 (1460)
"No citizen has the right to be an amateur in the matter of physical training.... What a disgrace it is for a man to grow old without ever seeing the beauty and strength of which his body is capable."