For example, the distance between Mercury and Earth can range from 77 million kilometres at their closest point, to 222 million kilometres at their farthest.
From ages 1 to 3, most toddlers sleep about 12 to 14 hours over a 24-hour period. Separation anxiety, or just wanting to be up with mom and dad (and not miss anything), can motivate a child to stay awake. So can the simple toddler style of always saying No!.
The experts unanimously agree on the average child's need to nap and on a napping schedule: Newborns sleep as much and as long as they need to. Between 4 and 12 months, babies move to two naps a day, one in the morning and one in the afternoon, each ranging from 20 minutes to three hours.In their second year, most toddlers go down for one two-hour nap in the middle of the day, and by their third birthdays, some will have given up naps entirely.razelton's view. At this age it's fine to give up naps entirely if your toddler doesn't need or want one. If he does still need a rest during the day, make sure it's not after 3 p.m., as that will break up his activity cycle and cut down on his need for sleep at night.