Answer
Depression, a prevalent mental health condition, held William Styron captive during the latter part of his life. This insidious affliction, characterized by persistent low mood, diminished interest in activities, and disturbed sleep patterns, cast a somber pall over his existence, disrupting his creative cadence and affecting his overall well-being. Styron's battle with depression exemplifies the poignant struggles that individuals can face amidst the complexities of mental illness.