The distance will vary as the planets orbit, from as little as 42 million kilometers to as much as 174 million kilometers. Mercury varies from 44 to 66 million kilometer from â¦ the Sun. Venus has one of the least eccentric orbits, averaging about 108 million km.
4-12 Months Old: 14 - 15 hours per day. While up to 15 hours is ideal, most infants up to 11 months old get only about 12 hours of sleep. Establishing healthy sleep habits is a primary goal during this period, as your baby is now much more social, and his sleep patterns are more adult-like.-3 Years Old: 12 - 14 hours per day. As your child moves past the first year toward 18-21 months of age he will likely lose his morning and early evening nap and nap only once a day. While toddlers need up to 14 hours a day of sleep, they typically get only about 10.
What is too much sleep? When your baby is sleeping 13-15 hours per day, this is within normal ranges for a very long time. If your baby is sleeping less, this may or may not be enough sleep. Depending on your babyâs age, a typical baby will sleep 11-12 hours at night and 2-3 hours during the day.Since averages are just those, your baby may indeed need more like 12 hours at night and 4 hours of sleep during the day. This is unlikely to be a cause for concern.hat is too much sleep? When your baby is sleeping 13-15 hours per day, this is within normal ranges for a very long time. If your baby is sleeping less, this may or may not be enough sleep. Depending on your babyâs age, a typical baby will sleep 11-12 hours at night and 2-3 hours during the day.