If you are attempting to sleep coach a child who is newly in a big bed then I would suggest you do the «Shuffle» as outlined in the age appropriate chapter in «Good Night Sleep Tight ``. (sleeplady.com)
You can read more about timed checks in the age - appropriate chapter of Good Night, Sleep Tight. (sleeplady.com)
First, review the appropriate chapters to gain insight into how the problem of practice might be addressed. (ascd.org)