Whatever the reason, it can be a difficult and normal adjustment to feeling anxious, especially if your child is sleeping soundly at home. Or your child is sleeping soundly at home and you can understand that daycare will only make the situation worse.
It's impossible for the staff to meet every parent's request, but it's still worth discussing. You can find more information about baby sleep consultants that are happy to do whatever it takes to help a child sleep well.
It's also a good idea to include a quick plan of what to do if your child takes a short nap but is still tired. Ask staff to hang this on the back of the crib where your child will sleep so they can easily show it. It's hard for the staff to remember everything the parents say about their child, but it makes it easy.
You may have spent weeks trying to get your child to finally fall asleep, and the thought of possible sleep disturbances can be scary. In fact, your child is likely to sleep longer in the living room than at home, but at the end of the day, your child will have to adjust.
Some parents even find their children sleep longer in the living room than at home, perhaps because they are tired of all the stimulation and activity.
However, children are very resilient and generally adapt quickly to sleep in new environments such as kindergarten, even though they may not sleep that long.