Girls, such a situation is confusing ? The little one always looks at…

Girls, such a situation is confusing ? The little one always looks at the same point on the ceiling and smiles, babbles in her own way. Even when she has a tantrum, I put her on the swaddle, and she immediately calms down, starts looking there, smiling, and gurgling. And so for two weeks now. It's really scary sometimes, especially in the night shifts ?