However, the new drug, Xyrem puts Claire into a deep sleep for three-and-a-half hours so she must take a second dose in the middle of the night to get a full seven hours sleep.

然而，新型药物“Xyrem”可以让克莱尔处于深度睡眠，连续睡上三个半小时，所以在半夜她要再吃上一次药，保证自己可以有7个小时的深度睡眠。

youdao

In the second half of 2006, I had surgery and returned to work. One night, I worked late. Since there were no transportation by that late hour, Yuan Songhua offered to drive me come.

2006年下半年，我刚手术出院后不久，一天，我加班比较晚回去，因为当时已经没有车了，袁松华提出送我回家。

youdao

When traveling west, he recommends taking melatonin during the second half of the night.

WSJ: To Avoid Jet Lag This Summer, Travel Like a Scientist

But the third change - fragmented sleep patterns the second half of the night - is less pleasant.

BBC: Alcohol-fuelled sleep 'less satisfying'

Tom Riley sparked the move which eventually let in scrum-half Evans to claim the visitors' second try of the night, which Tovey converted and they held on for the victory.

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