I personally wouldn't. With that much growing equipment investment and time I wouldn't even think about fucking around with the light cycle. When the lights turn on, water, trim, take picture then leave room till tomorrow morning, Haha.
Edit: Tomorrow Morning, or whenever your lights turn on ;P
*** Journal Section ***
Well the time of year has come for me to yet again start growing my Indoor Marijuana plants. The only thing this time is I'll be doing this with the community in hopes of receiving tips and tricks to increase my total yield. For several years I have come across this...