how difficult is it for your child to fall asleep and how often does your child wake up during the night? based on their answers, parents will get a sleep profile filled with advice and tips tailored to their child's individual sleep patterns and issues. >> so parents get real feedback of what is normal for a child of that age. >> reporter: before the tool hit the web, mendel had 264 families tested for the study over the course of a few weeks. results? just after one week, they said most families saw some improvement. so we asked joanna and kelly to give it a try as well. >> all children -- >> reporter: kelly is told the take more time to wind down and to gradually wean mara off of nighttime bottles. >> naturally start sleep for longer stretches of night. >> reporter: as for joanne a simple nighttime routine change is all that is required. she is told to start weaning and cuddling at bed time. >> cookies. >> reporter: dr. mandel says the family should see some results in a week. >> simple behavioral changes make the world of difference.