波出现率降低，潜伏期延长或消失；

The rate of F wave decreased.

youdao

与对照组比较，研究组脑诱发电位失匹配负波潜伏期延长，波幅降低。

Compared with control group, MMN latency was significantly prolonged and MMN amplitude was significantly reduced in study group.

youdao

结果发现，第一晚的睡眠潜伏期延长，睡眠效率下降，深睡期和快动眼睡眠期减少。

Results: The first night recordings showed longer sleep latency, decreased sleep efficiency and shorter delta and REM sleep.

youdao