by Pickati August 3, 2016, 4:21 pmSergio Marchionne (8/10) List item Submitted to "How Much Do Successful People Sleep" Approved Supposedly, Marchionne works on four hours of sleep a night, fueled by coffee and cigarettes.Leave your vote 0 pointsUpvote DownvoteTotal votes: 0Upvotes: 0Upvotes percentage: 0.000000%Downvotes: 0Downvotes percentage: 0.000000%MoreReportItem navigation Previous submission Next submission View full list Leave a Reply Cancel reply Connect with: Your email address will not be published. Required fields are marked *CommentName * Email * Website