A middle-aged adult with major depressive disorder suffers from psychomotor retardation, hypersomnia, and lack of motivation. Which intervention is likely to be most effective in returning this client to a normal level of functioning?

Suggest that the client develop a list of pleasurable activities.

Encourage the client to exercise.

Provide education on methods to enhance sleep.

Teach the client to develop a plan for daily structured activities.

Teach the client to develop a plan for daily structured activities.