Effectiveness is the capability of producing a desired result. When something is deemed effective, it means it has an intended or expected outcome, or produces a deep, vivid impression.
The average newborn sleeps about 16 hours a day, but some need much less sleep and some much more. Also, it's not uncommon for a newborn's sleep pattern to change from day to day; he may sleep substantially less than usual one day and then catch up by sleeping more the following day.
How long does a newborn baby sleep? The average newborn babies sleeps about 18 hours a day; 258 per.  month' 6570 per. year.    1-3 months old babies:   They tend to sleep more than 18 hours over the â¦ course of 24 hours!   4 months old baby, 14-16 hours in a day.y 6 months an infant can distinguish between obj â¦ ects, such as a bottle or a stuffed toy. By age 2 years, most children have about 20/60 vision (at 20 feet they can make out what a normal adult can see at 60 feet).