Falling asleep

My parents love to take me out for a walk. They say it's good for me to breath in the fresh air (never mind the pollution!!) and to stay where there is daylight, and although they can't wait for me to be more interactive on these walks, then lets face the fact that one of the reasons they bring me out is to get me to sleep. I know this, for when they make comments on the walk it is usually something like:

He slept from the moment we left our street! (and they smile happily!)
or
The witch in number 27 pointed at him and laughed just after we came outside with the results that he stayed awake (with eyes wide open) for an hour, it wasn't until I'd done the usual circle twice, that he fell asleep!

Another hint is that if my parents have problem putting me to bed during the day, they dress me up to go out either in the pram or the kangaroo-bag. I'm not complaining, for actually I do like these excursions, and I do sleep extremily well on these occasions, but I was just wondering whether problems to fall asleep (I suffer from it quite often) was something that is common in the animal world!
My mum hasn't had many animals in her life, so she is not a good resource of information, but she hasn't heard of monkeys that carry their little ones in their arms like my dad does on this picture to make them fall asleep-but then again she has never been to africa and wouldn't know how monkeys behave out in the wild! Also, she can't recall hearing a dog or a cat singing a lullaby for half an hour in order to get their puppies or kitten to sleep -in fact they just seem to fall asleep all the time, wherever they are, so why is it that young human babies have these problems with falling asleep? Is it related to our brain-activity or is it a problem that has been created by the modern society? Did babies have these same problems 200 years ago? I'm curious to know the answers to these thoughts!

Recently I've found a new way to fall asleep. I talk to the giraffe and the insect on my bumper. I know they are not real animals, but I like to pat them and talk to them before falling asleep, and it makes me feel secure to know that they are there when I fall asleep and that they will still be there when I wake up :) And my parents are happy that I can do this, for it saves them a lot of problems trying to get me to sleep, and shows that I do after all have the ability to fall asleep by myself...although I don't use that so often...but I know that they hope I will do it more often soon!