Caphalgia and sleep disorders are closely related; especially in obstructive Sleep Apnea patients Apnea (OSA). To evaluate frequency of cephalgia among Obsructive Sleep Apnea patients. A cross-sectional study was done on sleep disorder patients in sleep laboratory Mitra Kamayoran Hospital Jakarta, from January until Desember 2007. There were 65patients, only 4 has no OSA based on PSG examinatio…