Two separate analyses drawing on United States Medicare data have been reported in health news outlets over two consecutive days. One analysis tracked 995 U.S. Medicare beneficiaries aged 65 and older for up to 10 years. This work examined napping and dementia risk ^[1]. A second analysis was conducted on nearly 57 million Americans aged 45 and older. Researchers used 2017-2019 Medicare and Medicaid health claims data for this work ^[2].