長文問題
It is important to distinguish between the amount of sleep we think (we'd) like, and the amount we need. There are people who feel perfectly well on two or three hours a night. For them, the problem is keeping themselves occupied for a few hours after midnight, or generally learning to accept the condition.
If you find yourself getting less sleep than you once did, don't be concerned about it (1) you are aware of feeling irritable and tired.
Most adults seem to find between seven and eight hours a night sufficient, but there are no fixed rules. The largest single group who complain of insufficient sleep are those who are combining full-time jobs with raising young children. The majority of this group, (it,come,surprise,learn,will,to,no,as), are woman trying to balance the demands of jobs, children, relaxation and housework!
Research indicates that we sleep to restore and repair our body tissues and brain cells, particularly the cells of the nervous system. Robbed of sleep, people become anxious and irritable; they lose willpower, memory, the ability to createーand are gradually unable to perform the simplest mechanical tasks. Lack of sleep has been blamed for many disastersーfrom car crashes to the Chernobyl disaster.
Research shows that we should twice a day and that few of us ever do. You may notice yourself getting sleepier in the afternoonsーin fact more accidents happen in the afternoon than at any other time of day or night. In one survey, 43% of respondents said they would have a nap every day if possible.
Electric light has seriously interfered with our sleeping patterns; the darkening sky goes almost unnoticed as we sit in artificially-lit rooms till well past our natural bedtimes. Before electricity, the majority regulated their lives by daylight. It is worth noting that some people feel particularly tired and inactive during the winter months, when they have to make a particular effort to disregard their body clocks.
・(we'd) に該当するもの
アwe did イwe would ウwe had エwe should
自分はイにしました。
・1段落最後のthe conditionの内容
・(1)の語
アthough イunless ウonce エsince
イにしました。
・整序
It will come as no surprise to learn にしました。
お願いします。