A client diagnosed with bipolar I disorder is distraught over insomnia experienced over the last 3 nights and a 12-pound weight loss over the past 2 weeks. Which should be this client's priority nursing diagnosis given the current symptoms?

Ineffective coping related to extreme hyperactivity, erratic behaviors

Altered sleep patterns mania as evidenced by insomnia for the past 3 nights

Knowledge deficit related to bipolar disorder as evidenced by concern about symptoms

Altered nutrition: less than body requirements related to hyperactivity as evidenced by weight loss