To test the hypothesis that brief arousals from sleep predict improvements in daytime functioning with CPAP therapy, we prospectively studied 62 patients with polysomnography-defined SAHS.

• 目前还不清楚那些患者可受益，何种因素可预测这种改善。假设在睡眠期间短暂唤醒能预测CPAP治疗后日间功能的改善。