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A preoperative client has not been sleeping well for years but is having even more difficulty lately due to worry about the procedure and concern about being able to receive Ambien while in the hospital. The client states, "I really can't sleep at all without it," and has been taking the medication for several years. Even though the client will receive opioid analgesics postoperatively, the physician still prescribes Ambien. What could be the reason behind this decision?1.Pain can cause sleep disturbances.2.The client needs as much sleep as possible to recover from surgery.3.The medications will have differing effects on the client.4.The client's age is a factor in sleep patterns that should not be disrupted during hospitalization.

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