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I have been breeding geckos for many years now and I can honestly say I have NEVER had any in my room. Now...Years back when I first started breeding bearded dragons, I had a few of them in my bedroom, even tropical fish, but no geckos. I caught a pair of jeans on fire with a 100 watt heatlamp for my beardies on morning and luckily I was sleeping on the couch that morning or the smoke would have killed me! So now I RARELY use heatlamps and I don't keep things in my room, I guess it's a self-security feeling knowing that I could have died in my sleep from the mass smoke that built up from the heatlamp on the jeans (why it was on the jeans is a long story).