Sleep Quality: A Key Determinant of Health and Well-Being

Sleep quality is a fundamental aspect of human health, influencing physical performance, psychological stability, cognitive functioning, and overall well-being. Poor sleep quality has been linked to chronic diseases such as cardiovascular disorders, diabetes, obesity, and mental health problems including anxiety and depression. This article examines the importance of sleep quality, factors that influence it, and evidence-based strategies to improve sleep health. Key contributors to poor sleep—such as stress, lifestyle behaviors, environmental disturbances, and medical conditions— are discussed in detail. Enhancing sleep quality through behavioral, environmental, and clinical interventions is essential for promoting optimal health and preventing long-term adverse outcomes.