HIV-uninfected men ( HIV - ; n = @ ) , HIV-infected men using HAART ( HIV + / HAART + ; n = @ ) , and HIV-infected men not using HAART ( HIV + / HAART - ; n = @ ) recruited from two sites of the Multicenter AIDS cohort study ( MACS ) underwent a nocturnal sleep study , anthropometric assessment , and questionnaires for fatigue and the Epworth Sleepiness Scale .