![PDF) National Sleep Foundation's sleep time duration recommendations: methodology and results summary | David Neubauer - Academia.edu PDF) National Sleep Foundation's sleep time duration recommendations: methodology and results summary | David Neubauer - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/40053547/mini_magick20190222-21895-4z19il.png?1550822564)
PDF) National Sleep Foundation's sleep time duration recommendations: methodology and results summary | David Neubauer - Academia.edu
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PDF] National Sleep Foundation's sleep time duration recommendations: methodology and results summary. | Semantic Scholar
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