Vaulette Wylie has learned of a decade-long study by the University of Sydney linking sleep apnea to reading difficulties, and she wants other pregnant women to be aware of the risks, reports the New Zealand Herald.

Wylie said the results rang true with her, as one of her two girls had learning difficulties as she was growing up. While she was fine in other areas, Charlotte found reading a challenge.

“She had a lot of assistance at school,” Wylie said. “One-on-one assistance from a reading recovery teacher who comes into the school and helps the kids that are behind – that kind of thing.”