According to a prevailing theory among
Western sleep researchers, kids often learn to associate falling asleep with certain forms of stimulation — like parental soothing or a particular sleep environment.
And the assumption by pediatric
sleep researchers that there is one ideal
sleeping arrangement for all, or that cosleeping is harmful and detrimental or that infants need to «consolidate their
sleep as soon in life as is possible» is not only fallacious but harmful and it explains why
western parents are the most exhausted, disappointed least satisfied, (yet, most educated and well read), I am convinced, than any other parents on the planet, as regards their infant's
sleep.
A survey of sexsomniacs conducted in 2005 by Nik Trajanovic, a
researcher at the
sleep and alertness clinic at Toronto
Western Hospital, Canada, and colleagues concluded it is much more common than medical case reports alone suggest.