Health How Sleep Duration Affects Biological Aging: New Columbia University Study by Dr Natalie Singh - Health Editor June 15, 2026 by Dr Natalie Singh - Health Editor June 15, 2026 Sleep Duration Linked to Accelerated Organ Aging, Study Finds A study published in *Nature* by researchers at Columbia University has found that both short (less than 6 hours) and long … 0 FacebookTwitterPinterestEmail