I want to know!

I was just making a fabulous purchase of Huggies wipes on Amazon. It's an amazing deal that you can check out here. After purchasing my 3-216ct wipes for $10 shipped (told you it was good), I decided to check out the diaper deals. Rylee is an itty bitty girl (for 12 wks) & she is still in a size 1 diaper. I noticed that Huggies makes a diaper called "overnights" that has some extra protection for the long night time sleep. First I want to say thank you JESUS for Rylee sleeping through the night. She has been doing this for about 2weeks now, & it is AMAZING. That deserves repeating. It is AMAZING. Anyway, these overnights look so cool (as cool as a diaper can be.) Rylee hasn't had any leakage problems yet, but she is still being swaddled. I'm sure that once she starts rolling & wiggling in her sleep, the leakage will come. So that brings me to my question. Why are there no Overnights in size 1 or 2? Why should I be punished, yes I consider it punishment, bc my baby is already sleeping through the night & is small for her "age"?  If anyone could provide an answer or direct my to an "overnight" style diaper that will fit Rylee's little butt (my poor daughter is lacking in that area, just like her daddy), please let me know. She wore Pampers in the hospital & then I switched her to Huggies (bc I love the little snugglers), so I dont think she is going to be sensitive to a certain brand. Any suggestions would be greatly appreciated!