Rumsfeld eventually pared the list of 35 methods to 24. Most were part of standard military doctrine. Seven, however, went beyond that, including: removing a detainee from the standard interrogation setting and putting him in a less comfortable room; replacing hot rations with cold food or military Meals Ready to Eat; adjusting the temperature to uncomfortable levels or introducing an unpleasant smell; reversing sleep cycles from night to day; deceiving detainees into thinking they were being questioned by people from a country other than the United States.