But we need to be carrefull, the amount of sleep you need is mostly genetic(apparently). Here is a link: https://www.reddit.com/r/science/comments/3kj669/scien

But we need to be carrefull, the amount of sleep you need is mostly genetic(apparently). Here is a link: https://www.reddit.com/r/science/comments/3kj669/science_ama_series_im_yinghui_fu_i_study_the/ https://www.reddit.com/r/science/comments/3kj669/science_ama...