Physical activity is strongly correlated with improved sleep quality. Regular exercise can help regulate sleep patterns by increasing sleep duration and promoting deeper, more restorative sleep stages. Exercise reduces symptoms of anxiety and depression, which can interfere with sleep. Additionally, being physically active during the day helps to align the body's circadian rhythm, facilitating timely sleep cycles. However, timing is essential; exercising too close to bedtime may have an opposite effect for some individuals by increasing alertness.