Nesting?

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So went crazy cleaning today for about 4 hours non stop. I scrubbed and dusted and cleaned everything. My mom said I may be nesting and that women do that when their close to Labour ? I heard of it but I didn’t think it was a thing. I just got in this mode where I didn’t wanna rest at all even though my back and feet were killing me and I was pretty hungry. I just figured it was cause I napped most of the day and had energy and I have a bit of OCD so I clean and get crazy with it. But I guess I’m nesting? Anyone else have this .