File:NSF Sleep Duration Recommendations Chart.jpg
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![File:NSF Sleep Duration Recommendations Chart.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d4/NSF_Sleep_Duration_Recommendations_Chart.jpg/625px-NSF_Sleep_Duration_Recommendations_Chart.jpg)
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current | 15:16, 18 October 2019 | ![]() | 2,642 × 2,536 (339 KB) | SleepNSF | Cross-wiki upload from wiki.riteme.site |
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