Torture Archipelago - Arbitrary Arrests, Torture, and Enforced Disappearances in Syria’s Underground Prisons since March 2011 
 © 2012 Human Rights Watch 
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This is from July 2012, you have to understand that things have got much worse since then.
' "The guards hung me by my wrists from the ceiling for eight days. After a few days of hanging, being denied sleep, it felt like my brain stopped working. I was imagining things. My feet got swollen on the third day. I felt pain that I have never felt in my entire life. It was excruciating. I screamed that I needed to go to a hospital, but the guards just laughed at me."
—Elias describing how he was tortured in Branch 285 of the Department of General Intelligence in Damascus.
Since the beginning of anti-government protests in March 2011, Syrian authorities have subjected tens of thousands of people to arbitrary arrests, unlawful detentions, enforced disappearances, ill-treatment, and torture using an extensive network of detention facilities, an archipelago of torture centers, scattered throughout Syria." '