A sleep environment refers to the physical space where a person sleeps, which can significantly impact the quality of sleep. Key factors include the mattress, bedding, and pillow used, as well as the room's temperature, lighting, and noise levels. A comfortable and supportive mattress can help reduce discomfort, while appropriate bedding can regulate body temperature. Additionally, a dark, quiet, and cool room is often recommended for optimal sleep. Blackout curtains can block out light, and white noise machines can mask disruptive sounds. Creating a calming atmosphere with minimal distractions promotes better sleep hygiene and overall well-being.