The statements taken in Portugal tend to focus far more on actions and facts rather than on emotions and feelings, have you noticed that? But still, you think it's strange that Fiona Payne didn't mention it at the time - so what do you infer from this?
Actions such as placing a hand on the backs of children to check for signs of life? Facts such as Madeleine reporting that her siblings cried the night before? Kate was interviewed on 8th August, she says;
Was there anything else I wanted to add? Anything else unusual that had occurred that night? Of course there wasn’t. If there had been I would have told them on 3 May. I’d recounted absolutely everything and anything – more than they wanted or needed to know, probably, just in case some triviality I recalled might be significant. How could they think I would hold something back that might help my daughter? [Madeleine]
Everything except the possible sedation of her other children, it seems.