Yes, bearded dragons do need sunlight. Sunlight is essential for the health and well-being of these reptiles. It provides them with important UVB rays, which are crucial for the synthesis of vitamin D3 in their bodies. Vitamin D3 is necessary for the absorption of calcium, which is vital for the development and maintenance of strong bones and overall health. While artificial UVB lighting can be used as a substitute for natural sunlight, it is always best to provide bearded dragons with access to natural sunlight whenever possible, as it offers a wider range of UVB rays.
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