Anxiety, sleep, and cognitive performance are deeply interconnected. Chronic anxiety often disrupts sleep by causing racing thoughts, restlessness, and difficulty falling or staying asleep. Poor sleep, in turn, exacerbates anxiety symptoms by increasing irritability, stress sensitivity, and emotional instability. This cycle negatively impacts cognitive performance, including memory, attention, and decision-making abilities. Sleep deprivation hinders the brain’s ability to process information efficiently and manage emotional regulation, while persistent anxiety further impairs focus and mental clarity. Over time, this combination can lead to decreased productivity, poor academic or work performance, and reduced overall well-being. Prioritizing stress management techniques, improving sleep hygiene, and seeking professional support can help break this cycle, enhancing both mental health and cognitive functioning.