14 to 20 hours
On average, infants require 14 to 20 hours of sleep each day.
A great deal of physical and mental development occurs while babies sleep. An essential fatty layer called myelin forms around nerve fibers during sleep, and recent research shows that connections between the left and right hemispheres of children's brains are strengthened during sleep.
These developments help the brain function to mature. They also affect important abilities such as language, attention, and impulse control. Brain activity during sleep has a direct effect on a child's ability to learn and can even affect development and mood disturbances. Simply put, sleep builds your baby's brain.
To learn more about newborn's sleep from given link
https://brainly.com/question/1362833
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