在大约15岁左右的时候，由于学校、工作和其他活动的压力，这些男性自愿开始减少夜间睡眠时间。

At about age 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities.

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但在大约15岁左右的时候，由于学校、工作和其他活动的压力，这些男性自愿开始减少夜间睡眠时间。

But at about age 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities.

youdao

他踉踉跄跄地做着为一所艺术学校募集资金的工作，他靠与其妻子和儿子一起看电视打发夜间时光。

He bumbles through his job fund-raising for an art school, and spends his nights watching television with his wife and son.

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