The vigilance of the patients with OSAS or CSAS but not those only with sleep snoring is impaired, the impairment may relevant to the oxygen desaturation during their sleep.

• OSAS和CSAS患者的警觉性下降，睡眠鼾症患者的警觉性大致正常。 警觉性受损可能与睡眠时缺氧有关