Sleeping at night

My twins have been sleeping through the night for quite sometime now. They are just over 11 months, and we have gone through sleep regression. It didn’t last long thankfully. I’m not sure if one of them is going through it again. I’m not sure cuz she wakes up from a nap and is wanting to go back to sleep but is unable to on her own. Same thing happens at night like clockwork at 11pm and 3am. 3am is the worst for her, she has so much trouble and I usually end up being her into my bed. Giving her a bottle works sometimes. Any tips or advice to help her stay asleep????