Which option best describes the relationship between sleep disturbances and mental health outcomes?

• A. Sleep problems have no impact on mood disorders.
• B. Sleep disturbances are solely caused by lifestyle choices and cannot be treated clinically.
• C. Sleep disturbances are always a sign of an unchangeable condition.
• D. Sleep problems are common comorbidities and can worsen mood and anxiety; addressing sleep improves outcomes.

Answer: (D)

Sleep disturbances often co-occur with mood and anxiety disorders and can worsen these conditions. When sleep is disrupted, emotion regulation and the body’s stress response are affected, which can intensify depressive and anxious symptoms and impair daytime functioning. Addressing sleep through approaches like cognitive behavioral therapy for insomnia, good sleep hygiene, and consistent schedules can lead to meaningful improvements in mood, anxiety, and overall functioning. This reflects how sleep is a modifiable factor that influences mental health outcomes, rather than something separate or unchangeable.