For the wake to sleep, we still have some NWs at the moment and have since he was a bit ill so it's not only hard to motivate myself to do it, it's also difficult when he does occasionally wake at 3:30am to get him back down. I know when he wakes early, early morning, he tends to be up for the day at 4:30. The 'quality' of sleep around that time seems to be poor for some reason.