Baby just won’t sleep

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She’s a month old, used to sleep great 2-3 hour stretches. She now isn’t sleeping at all at night and maybe 1hr stretches from (7am-1pm) and up for 30 mins easy time. When she’s awake the rest of the day just upset. i dont know what to do. She’s cluster feeding right now too. I have the 4 moms rocking bassinet she’s fed and clean and swaddled I hold her to comfort her I wouldn’t mind but I’m not getting any rest I’m a single mom.

Only thing I can think of is we have been adding more formula to to mix but I make sure to burp her.