Would it be alright to keep my plants outsiide during the day adn inside at night with some cfl's on them?

they are just sprouts, about a week old. they are growing fine, i just wanted to know if this would screw them up at all. thanks

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By my intimacy with nature I find myself withdrawn from man. My interest in the sun and the moon, in the morning and the evening, compels me to solitude. -Thoreau