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Listening to music while you work can help keep you awake and increase your concentration levels, experts say.

专家说听音乐可以让你保持清醒、让你集中。

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Involve your ears. Listening to music while you work can help keep you awake and increase your concentration levels, experts say.

让你的耳朵动起来。专家说听音乐可以让你保持清醒、让你集中。

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When you're irritated by something, your stress hormones rise and your concentration levels decrease.

CNN: Fuzzy brain? Improve your attention span

Chris Cohen's goal for the home side settled the game but O'Neil is adamant the only difference between the two sides is their levels of concentration.

BBC: Errors cost Middlesbrough points - Gary O'Neil

England may have been trying to knock his helmet onto the stumps, as almost happened in the first innings, but his chin strap remained as resolute as his levels of concentration.

BBC: South Africa earn draw at Lord's