I really don't see why it would... If they can't see the light, then the only thing that would effect them would be the heat. If you keep an under tank heater on them, you don't turn that on and off. I like the red lights my self, and I also really like those lights that simulate moonlight. I think they are really cool.
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1.0 Bearded Dragons
1.1 Fat tailed geckos

