另外，由于你总的睡眠时间减少，所以你的假期就会相应的变长，你可以白天到处游玩，然后晚上继续参加各种夜生活。
Plus because you'll sleep less overall, your vacations will seem longer - you can do the tourist thing all day long and then enjoy the nightlife.
控制组在REM阶段的时间是总睡眠时间的19%，而患有adhd的研究组时间是17%。
The control group spent about 19 percent of their sleep time in the REM stage, compared to about 17 percent for the ADHD group.
他们还记录睡眠习惯或存在的问题：噩梦、总的睡眠时间和晚睡情况。
They also recorded sleep habits or disturbances: bad dreams, total sleep time and delays in falling asleep.
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