Emma, 27, could no longer stand watching her 18-month-old daughter wake up every night. “I made contact with three or four coaches with a huge following on social networks.

I was looking for a miracle solution,” she admits. None of the coaches consulted advised her to seek medical advice or even mentioned the possibility of this pathology, she gets annoyed. She still blames herself for her “naivety”, she says, bitter. The service ends with three disappointing phone calls.