Little Boppers are our favorite fitteds. Extremely eell made and good enough for overnight w/o a doubler. I have used Flip and Capri covers over our fitteds with good success.
You would need to add quite a bit of absorbency to the workhorse for overnight.
, Helpmeet to John, Mama to Joel(12)
(4), Joshua (14 months) and Thing 6 due in May!!