New Gallup poll data show that getting more hours of sleep is positively associated with having higher well-being, with the relationship peaking at eight hours. For adults aged 65 and older, the relationship peaks at seven hours of sleep. The data are based on interviews with more than 7,000 U.S. adults as part of the Gallup-Healthways Well-Being Index, which measures five elements of well-being: purpose, social, financial, community and physical.

Read the report:  Getting More Sleep Linked to Higher Well-Being