Parents Parents.com Sleep Basics http://www.parents.com/baby/sleep/basics/age-by-age-guide/ babies do not sleep at least 14 hours of sleep every day babies do not sleep daytime sleep newborns sleep about 8 to 9 hours Parents.com 16-18 hours in every 24-hour period two month mark Parents.com sleep chart the guidelines are very flexible The sleeping time of each child is different the technical definition of sleeping through the night Nap time one year old baby sleep schedules and guidelines Parents Magazine the technical definition of sleeping through the night 15 to 17 hours lots of sleep Baby and Children Sleep Chart Parents.com