Thanks for the links guys, I will have a look and also forward to my wife. We do have an evening routine of eating, bathing, getting dressed and then off to the cot to sleep. This usually works but not always.
Unfortunately evenings are rushed when my wife is working, because she works until 7pm. So I pick him up from daycare at 5pm (at the earliest) and then get home, eat, bath and bed; he is tired and starts getting fussy around 6pm. Bedtime is anywhere from 6 to 6:30. So the winding down bit doesn't really happen because there is no time for it.
I'll see what we can take from this to perhaps include in our pattern or to change our pattern.