We have forced our over winter once but the mortality rate is much higher as a result so never again -ours were Pedigrees. Important to give them a complete break from laying for at least two weeks anyway. The lights went on early morning to give them 12 hours daylight in total. Reason its the morning is to give them time to perch naturally at night, not suddenly plunge them into darkness! we found that, although the coop was big enough, the feed and water inside comined with the bedding resulted in a real mess every morning. Our bedding costs went up as did the time spent cleaning them. The whole exercise was declared fruitless and discontinued.
If you want eggs over Winter buy young hybrids in August and sell them in Spring.