1.   Police sometimes use strong pressure tactics, including sleep deprivation, to extract confessions from criminal suspects.

2.   But human rights groups say interrogation methods routinely include sleep deprivation, placing dirty hoods over the heads of detainees and tying them up in painful positions.

3.   Human rights groups say interrogation methods routinely include sleep deprivation, placing dirty hoods over the heads of detainees and tying them up in painful positions.

4.   Israeli torture methods included sleep deprivation, shackling prisoners in painful positions, exposure to extreme cold and heat, and beating and threats, the group said.

5.   The authorities have been accused of employing various tactics to coerce admissions of guilt, including sleep deprivation, physical violence, and the cold treatment mentioned by Wee.

6.   The methods were never made public, but were believed to include sleep deprivation, beatings and tying up in painful positions.

7.   The abuses included sleep deprivation in efforts to extract confessions from suspects and some instances of physical abuse.