A client tells the nurse about beginning an exercise program a month ago to lose weight and improve sleep. The client states, "It still takes at least two hours to fall asleep at night." Which action should the nurse implement?

Determine the amount of weight the client has lost since increasing activity.

Advise the client that lifestyle changes often take several weeks to be effective.

Encourage the client to exercise every day to eliminate bedtime wakefulness.

Ask the client for a description of the exercise schedule that is being followed.