Microbz Sleep is a good choice for her.
It contains the same foundation of beneficial microbes and the added herbs may assist in relaxing her nervous system before sleep.
Beneficial microbes are something which have been shown to bring some equilibrium with ADHD in many as there can be a gut connection. Of course everyone is individual with different aspects contributing and wind is a sign of disturbed digestion so beneficial there as well.
Always good to re-look at diet to make sure it is really suiting you both as well. Lots of fruit and veg fibre is really good for the beneficial microbes.