Noun:

1. apnea that occurs during sleep

sleepe'ssleepv.睡觉n.睡眠；睡觉Sleep an afternoon away睡掉一个下午sleep a little just now刚才睡了一会儿Sleep under a palm tree睡在棕榈树下sleep three comfortably容三个人很舒服地睡sleep interference noise妨碍睡眠噪声sleep-inducing peptide睡眠肽sleep-promoting factor睡眠促进因子Sleep off one's vexation抗氧化Sleepover at Pam's Houseadj.反倾销的sleep with their fathersvi.死

1. Among patients with sleep apnea, it is best to use actigraphy to estimate total sleep time only when polysomnography is not aailable.
   在睡眠窒息的患者中，当多导睡眠图无效时最好仅用腕动计来评估总的睡眠时间。