One night wake it great! Keep supporting your LO through that wake up and she will wean off of it with time. My second was stuck on 1 wake up from like 8-12 months. Prior to 8 months she was on 2-3 wake ups minimum and I started teaching her independent sleep in the hospital.
@Charlotte how do I do this?
Is she waking up hungry and going back to sleep after milk? Or is she just waking up needing comfort? If she's needing milk, as she starts eating more solids, she'll need less calories overnight and the wale up will stop. For now, give her the milk and put her back to bed. If waking for comfort, try to comfort her without picking her up to help her back to sleep. With time, she'll learn to connect her sleep cycles
Even I used to wake up once through the night pre baby. It’s normal!
Then you should consider yourself lucky, cause that sounds great