Mapping Out the Interrogation of Ghazi Falah

By JOHN GRAVOIS

In the annals of interrogation, one primary source serves again and again to describe the experience of forced sleep deprivation.

"In the head of the interrogated prisoner, a haze begins to form. His spirit is wearied to death, his legs are unsteady, and he has one sole desire: to sleep," the account says. "Anyone who...