Poor sleep quality refers to a condition where individuals experience difficulty falling asleep, staying asleep, or waking up too early. This can lead to feelings of fatigue and reduced alertness during the day. Factors contributing to poor sleep quality include stress, anxiety, and environmental disturbances such as noise or uncomfortable temperatures. Additionally, poor sleep quality can negatively impact overall health. It is associated with various issues, including weakened immune function, increased risk of chronic conditions like diabetes and heart disease, and impaired cognitive performance. Addressing these factors is essential for improving sleep quality and overall well-being.