Like @Mikezumi, my sims have strict bedtimes, and the toddlers never wake in the night, though I usually put them to bed around 9 PM, as most of my families get up at 5 AM. They get fed in the high chair at the same time the rest of the family has their dinner, then when one of the parents takes them out of the high chair, they do at least three or four interactions with them before putting them on the floor or the potty, depending on whether the toddler is fully potty trained yet. The trip to use the potty is the last thing, then they are put in the crib. Even if they don't go to sleep right away, they don't ever need attention in the night.
Feeding them on the floor saves a little time for the parents at the time of the feeding, but overall doesn't really save time, because they will get hungry again sooner if they're only fed a bottle, and will have to be fed more times each day. My toddlers get fed in the high chair at the same time the rest of the family is having breakfast, then they don't need to be fed again until dinner, about 12 hours later.
My sims also keep their babies and toddlers wherever they are. If they're going outside to garden, they take the babies and toddlers outside too, where they can play with toys that are kept near the garden for them. They also do multiple interactions with them every time they pick them up to carry them inside or outside, so my toddlers seldom cry for any reason. That is how I raised my real life children. When they were babies and toddlers, they were always wherever I was, unless they were sleeping in their cradle or crib, and as I worked, I talked to them, picked them up, kissed and cuddled them, etc, as often as possible. So I have my sims treat their babies and toddlers the same way.