Ringneck chirps while asleep?

[Aira]

I have a 5 week old Indian Ringneck. She has been with me for the past 4 days and adjusting great overall. Eats her formula (the same as the breeder had her on) Starting to nibble on the weaning mix I bought from the breeder. I know I tend to over worry on things. But at night, during the long sleep hours, she makes sounds. Either "happy" chirps, or almost like a "crying" chirp. They don't last long. I have my daughters old baby monitor set up so I can see here when I'm not in the room and I've heard them at least once or twice every night. I'm hoping someone will tell me this is normal and it's what babies do. I can't help but worry and I've not had a good nights sleep for 3 nights now lol.
I'm looking at her right now and she's sound asleep, one foot perched up and head turned around resting on her wings.

 

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