Baby Day/night sleep mixed up??!

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Hey. My 7 week daughter seems to finally sleep through the “night” . Only problem is she has her days and nights mixed up. Her “night” is she sleeps from 7am - 1pm, total of 6 hours. Is there a way I can get her on an actual night schedule or is she too young and I should just let her sleep how she is now?? Has anyone been through this?