Sitting next to the office window on a sunny day can help double an individual’s alertness compared to those stuck in the middle of a room under artificial lights, according to scientists.
科學(xué)家研究表明，在陽(yáng)光明媚的晴天里，坐在辦公室靠窗口位置的人比坐在靠燈光照明的中間位置的員工工作起來(lái)更有活力。

Oxford University neuroscientist Russell Foster said studies have linked light to the release of serotonin – known as the happy hormone – which may explain why the majority of people enjoy being out in the sunshine.
牛津大學(xué)的神經(jīng)科學(xué)家拉塞爾-福斯特說(shuō)，研究表明在陽(yáng)光下會(huì)釋放血清素，這是一種快樂(lè)激素，或許就解釋了為什么大多數(shù)人喜歡在陽(yáng)光下曬太陽(yáng)。

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Less than five per cent of daylight filters into the average building, and energy-efficient light bulbs are an ‘unmitigated disaster’ due to their lack of intensity. But on a bright day, those next to a window will benefit from the sunlight, while their unfortunate colleagues will be left feeling less energised.
陽(yáng)光經(jīng)過(guò)建筑物這個(gè)過(guò)濾器過(guò)濾后，進(jìn)入到房間內(nèi)的光線平均還不到百分之五，節(jié)能燈泡的光線強(qiáng)度簡(jiǎn)直就‘更可憐了’。但在陽(yáng)光明媚的日子里，那些在靠窗位置辦公的人可以從陽(yáng)光中大大受益，而那些曬不到陽(yáng)光的不夠幸運(yùn)的同事們就會(huì)感覺(jué)精力不夠充沛。

A sunny day is equivalent to 100,000 lux – the measure of brightness - while indoor lighting only provides around 300 lux. Professor Foster said the average person needs exposure to 1,000 lux to enjoy the maximum benefits. He said: ‘Light is not just important to the visual system, it helps regulate the brightness detectors which affect our body clock and many aspects of our health.
陽(yáng)光明媚的一天就相當(dāng)于10萬(wàn)勒克斯單位的光線亮度（lux是亮度計(jì)量單位），而室內(nèi)照明只有大約300勒克斯單位。福斯特教授說(shuō)，人一般需要接觸1000勒克斯單位的光線亮度才能從中最大受益。他說(shuō)：‘光不僅對(duì)視覺(jué)系統(tǒng)起到很重要的作用，它對(duì)調(diào)節(jié)體內(nèi)亮度探測(cè)器也有幫助作用，從而會(huì)影響我們的身體生物鐘，還對(duì)我們身體的許多方面的健康有益。’

‘When you are exposed to 1,000 lux, you are getting enough light for full alertness. But in many ways we are light deprived, with the average office lighting only producing 300 lux, which is less than we need.’
‘當(dāng)你處于1000勒克斯單位強(qiáng)度的光線環(huán)境下，你才能保持完全清醒的狀態(tài)所需的充足光線。但在很多情況下我們無(wú)法接觸到充足的陽(yáng)光環(huán)境，辦公室照明平均只有300勒克斯單位的光線強(qiáng)度，這比我們身體所需的光線強(qiáng)度量要少得多?！?/div>

He said: ‘If you do not get any other light during the day, make sure you get out and experience morning light, which help set the body clock. Outside light is bright enough to do the job, even on a dim day.
福斯特教授說(shuō)：‘如果白天室內(nèi)沒(méi)有照明的話，你一定要出去體驗(yàn)一下早晨的明媚燦爛的陽(yáng)光，這對(duì)調(diào)節(jié)身體生物鐘會(huì)起到幫助作用。外面的光線很充足很明亮，即使是陰天的光線強(qiáng)度也完全適合工作所需的光線亮度?！?/div>

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