The Obama administration says the United States will follow interrogation guidelines set forth in the U.S.Army Field Manual,which conform with U.S.and international law.
VOA: standard.2009.08.24
The U.S. Armyfieldmanual classifies sustained sleep deprivation as a form of mental torture.
They have the ArmyFieldManual, which has - lays out specific treatments that are barred, including mock drowning and things like that, sleep deprivation, food deprivation.