Summary
A 3-week-old baby should sleep about 16 hours in a 24-hour period
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, but may start to sleep longer stretches at night up to four hours.
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The baby should be kept awake for some time after feeding before putting down to sleep.
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Newborns up to 3 or 4 months old need 14 to 17 hours of sleep in a 24-hour period
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, usually waking every two to four hours to eat. To help babies and toddlers get enough sleep, parents should stick to a routine, be active during the day, turn off screens, identify sleep problems, and talk to the doctor.
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Summary
Baby and toddlers need a lot of sleep to support their learning and growing, and there is a recommended average number of hours of sleep needed at various ages. This guideline is 8 hours (varied number of naps) for babies, 7 hours (varied number of naps) for toddlers, and 4 hours (two or three naps). To help babies and toddlers get enough sleep, parents should stick to a routine, be active during the day, turn off screens, identify sleep problems, and talk to the doctor.
Hours of sleep by age: Baby sleep chart | BabyCenter
babycenter.com
Summary
Preemies may sleep up to 22 hours a day, depending on how premature they are, and it may take until they are 10 or 12 months old to achieve this feat. Setting up a predictable schedule should wait until the baby is in the 3- to 6-month range, and it is important to place the baby on their back and sleep on a firm surface. If your baby isn't sleeping enough, talk to your pediatrician about how to help them get enough sleep.
How Much Sleep Do Babies Need? Baby Sleep Hours by Age - What to Expect
whattoexpect.com
