This happens to me every so often- I know what it is so remaining calm and letting it pass helps-
If you are like me- you are probably not eating enough throughout the day. I feel better if I eat something a little while before consuming.
Dropping the light keeps stimulating the plant to flower- just as in nature.
It definitely speeds up the process.and trichome production.
I often finish at 10/14 or even 9.5/14.5 with good results.
I begin flowing at 11.5/12.5 off