Really though, never have used temps so low ! Every body I had last year was alittle to young but I did let My out- of - sexual - control, Zuni rest awhile. He and some other lizards I have, I do it very different , may be wrong, but it works. I just leave at room temp, sometimes if they wake I will let them bask with a low wattage light, they can get a drink, I have at times even offered Zuni a cricket. He usually returns to sleep for a few days at a time, and thats it. This lasts a few of the colder months, until he starts coming out more and more, then I up the wattage of light and food. I have not experienced any weight loss at all while they sleep either. And he was extremely sexual theis season. Hopi did not brumate at all and this is her second clutch. I do think it is good to give a break or rest, but I keep my temps a little higher. Eve