Sleepwear styles vary widely to suit different preferences and comfort levels. Common types include pajamas, which often consist of a matching top and bottom, and nightgowns, typically worn by women for a more relaxed fit. Loungewear has also gained popularity, blending sleepwear with casual clothing for versatility. Another popular option is sleep shorts or sleep pants, which provide a cooler alternative for warmer nights. Robes are often worn over sleepwear for added warmth and comfort. Materials like cotton, silk, and flannel are commonly used, each offering different levels of softness and breathability.