Legs today.
Had the headache in the morning too but it left after workout. So, if you're having a headache, do a leg workout :D
Leg extension - Hack machine supersetted
Sets: 30+10, 20+10, 10+10, 8+8
Smith machine squat - dumbbell squat - dumbbell lunge triple set
Sets: 10+5+6, about the same...