John has been having difficulties getting out of bed, is not interested in going out with friends, and does not even answer the phone. He has let a number of bills go unpaid, he is sleeping 12 to 14 hours a day, and he cannot concentrate at work. He has called in sick to work at least once each week. John is MOST likely suffering from disorder. Please type the correct answer in the following input field, and then select the submit answer button or press the enter key when finished.