She says lullabies help parents "deal with the situation in which they are being wound up by a child, or they are failing to get them to sleep, or they are feeling really, really tired themselves."
L'autora diu que les cançons de bressol ajuden els pares a "fer front amb la situació en la qual aquests estan tensos per culpa del xiquet, quan no poden adormir-los, o quan ells mateixos se senten molt, molt cansats."