Sleep is a peaceful rest. Another is an active rest.

另一种是积极的休息，例如到户外去走一走。

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He was to remain active in the association, latterly as vice president, for the rest of his life.

他此后一直都活跃于该协会，后来还当了副会长。

《柯林斯英汉双解大词典》

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Active rest helps you direct that rebuilding, so it goes more the way you want -- it, making you more productive, more alert, more relaxed -- and often looking and feeling younger, too.

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Tomsche does Zumba five to six times a week and tries to stay active the rest of the day.

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An active palm rest rounds out the modules, with a thumb-wheel and additional action button -- it's joined by a pair of (yet again) adjustable wrist rests that anchor along the bottom edge.

ENGADGET: Mad Catz S.T.R.I.K.E. 7 gaming keyboard announced at Gamescom (hands-on)