Tank Lights On and Off Several Times a Day ?

[DiverDude]

Noob question: I'd like to turn on my tank lights when I feed in the mornings but I've held back on doing that since I don't want to screw-up the tank's 'biological clock'. After all, the lights are their sun and the sun doesn't pop-up for 10 minutes in the morning and then go back to sleep for ~4 hrs before coming out for the day !

I know this isn't going to kill anything but I'd like the opinions of more experienced reefers as to whether I'm stressing the tank at all if I were to do this.