But the findings are raising a lot of questions about what your breakfast timing might signify about your future health. The time of day you eat breakfast can also influence your circadian rhythm, which has physical implications. Why is it better to eat breakfast earlier versus later? Well, Dashti says his findings don’t definitively conclude that you should try to eat breakfast earlier—more research is needed first. There’s no one universal “best” time for older adults to eat breakfast, Dashti points out.