https://www.health.harvard.edu/authors/lawrence-epstein-md/feed/atom<![CDATA[Harvard Health Posts by Lawrence Epstein, MD Feed]]>https://www.health.harvard.edu/img/logos/hhp-logo-mark-lg.jpg173144Harvard Health Blog: You'll find posts from Harvard Medical School physicians and our editors on a variety of health news and issues.2020-09-18T10:30:56-04:00<![CDATA[Shorter dream-stage sleep may be related to earlier death]]>https://www.health.harvard.edu/blog/shorter-dream-stage-sleep-may-be-related-to-earlier-death-20200918209322020-09-18T10:30:56-04:00<![CDATA[Why your sleep and wake cycles affect your mood]]>https://www.health.harvard.edu/blog/why-your-sleep-and-wake-cycles-affect-your-mood-20200513197922020-05-13T14:30:25-04:00