
Newborns typically sleep a lot—anywhere from 12 to 19 hours a day. However, this sleep is rarely in one long stretch, as newborns need to wake up to feed every two to four hours. Newborns also do not have an established sleep-wake rhythm, and they do not know the difference between day and night. Their sleep patterns can be erratic and unpredictable, and they may sleep longer than usual due to factors such as growth spurts, minor illnesses, or vaccinations. While it is uncommon for newborns to sleep too much, excessive sleep can be a cause for concern and may indicate an underlying medical condition.
| Characteristics | Values |
|---|---|
| Average sleep hours | 11-19 hours a day |
| Sleep cycle | 20-50 minutes |
| Sleep pattern | No established sleep-wake rhythm |
| Sleep duration | 1-2 hours at a time |
| Reasons for sleeping more than usual | Growth spurts, minor illness, recent vaccination, jaundice |
| Reasons for concern | Fever, respiratory distress, missing feedings |
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What You'll Learn
- Newborns sleep a lot because they are growing and developing rapidly
- They don't have a sense of day and night, and their sleep is erratic
- They need to eat often, so they wake up frequently
- They sleep in short bursts, known as sleep cycles
- Occasional periods of increased sleep are normal and can be due to minor illnesses

Newborns sleep a lot because they are growing and developing rapidly
Newborns don't have a sense of day and night, and they wake frequently to feed. Their tiny stomachs don't hold enough breast milk or formula to keep them satisfied for long, so they need to eat every two to four hours. As a result, newborns may sleep more during the day and be more awake at night.
During the first few weeks of a baby's life, it is common for them to sleep and eat frequently. Newborns are growing and developing rapidly during this time, and their brains are working hard even while they sleep. By the time they are one year old, they will have tripled their birth weight and reached many developmental milestones.
To promote healthy sleep patterns, it is important to expose newborns to light and gentle play during the day and provide a dim and quiet environment at night. This helps them learn the difference between day and night. It is also crucial to ensure that newborns are not too cold or too hot and are sleeping on safe, approved surfaces.
While occasional periods of increased sleep are normal, it is important to consult a pediatrician if concerned about a newborn's sleeping habits or if the longer bouts of sleep are accompanied by a fever or respiratory issues.
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They don't have a sense of day and night, and their sleep is erratic
Newborns don't have a sense of day and night, and their sleep is erratic. They sleep around the clock, and because their stomachs are so small, they wake up frequently to feed—no matter the time of day or night. Newborns should get 14 to 17 hours of sleep over a 24-hour period, according to the National Sleep Foundation. Some newborns may sleep up to 18 to 19 hours a day, while others may sleep for as little as 11 hours. Sleep typically happens in short bursts, sometimes lasting only an hour or two at a time, and newborns may sleep more or less than usual when they are sick or when their routine is disrupted.
Newborns follow their own schedule, and it may take a few weeks or months for them to settle into a routine and learn the difference between night and day. In the meantime, you can help your newborn adjust by keeping things quiet and calm during middle-of-the-night feedings and diaper changes, maintaining a dim and quiet environment at night, and exposing them to light and gentle play during the day. While it can be tempting to let a newborn sleep, it's important to wake them to feed every two to four hours, as recommended by the American Academy of Pediatrics, to ensure they get enough nourishment.
Occasional periods of increased sleep are normal and usually not cause for concern. However, if your newborn is sleeping longer than usual and displaying other symptoms, such as a fever or respiratory distress, it's important to consult a pediatrician. In general, a newborn who sleeps all day is more of a potential concern than an older baby sleeping too much, which typically happens when they are sick or have had a busy day. As long as their night sleep isn't disrupted, occasional extra daytime rest isn't usually a problem.
Managing a newborn's sleep can be challenging, and it's common for new parents to feel exhausted. Newborns are also known to cry a lot, especially in the first three months, as it is their main form of communication. It's important to respond calmly and consistently to their cries and provide comfort through rocking, cuddling, and singing. Swaddling can also help soothe a crying baby, but it should be discontinued once they start trying to roll over.
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They need to eat often, so they wake up frequently
Newborns have tiny stomachs, so they need to be fed frequently—as often as every two to four hours. They wake up frequently because they get hungry soon after feeding and need to be fed again. Breastfed babies, in particular, may need to be fed more often, typically every two to three hours, while bottle-fed babies can go a bit longer, usually about three to four hours.
During the first few weeks, it is recommended to wake your baby every three to four hours to feed until they show good weight gain. After that, it is okay to let them sleep for longer periods at night. However, some experts suggest waking your baby to feed for the first five to six weeks if they sleep longer than five hours at a stretch. This is an important consideration for their growth and development.
In addition to feeding, newborns also need to be changed frequently, which can disrupt their sleep. They may also struggle to self-soothe and will rely on their caregivers to help them settle back to sleep. This can result in multiple wake-ups throughout the night.
It is important to remember that every baby is different, and they will develop their own sleep patterns. While it can be challenging for caregivers, especially during the first few months, it is normal for newborns to wake up frequently to eat and will become less frequent as they grow older.
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They sleep in short bursts, known as sleep cycles
Newborns sleep in short bursts, known as sleep cycles, which are usually around 20 to 50 minutes long. In the first few months, newborns usually wake up several times at night to feed. This is because their tiny stomachs cannot hold enough breast milk or formula to keep them satisfied for long. They also need to be changed frequently. Newborns generally sleep for 12 to 16 hours in a 24-hour period and do not know the difference between day and night. They do not have established sleep-wake rhythms like older children and adults.
Sleep cycles in newborns consist of active sleep and quiet sleep. During active sleep, newborns may move, groan, open their eyes, cry out, or breathe noisily or irregularly. This is normal and is often a result of their developing brains and bodies, which require frequent nourishment. During quiet sleep, they will lie relatively still and their breathing will be more even.
The short sleep cycles of newborns are an important part of their growth and development. While it can be challenging for parents, it is normal for newborns to sleep in short bursts and wake frequently during the night. Newborns should get around 14 to 17 hours of sleep over a 24-hour period, according to the National Sleep Foundation. Some newborns may sleep up to 18 to 19 hours a day.
As newborns grow and develop, their sleep cycles gradually lengthen, and they start to sleep for longer periods at night. By the time a baby is around three months old, they might regularly be having longer sleep of around 4 to 5 hours. However, it is still expected that they will wake at least once each night.
It is important to note that every baby is different, and there is no exact science to baby sleep patterns. Parents should be patient with their newborn and themselves during this time. It is recommended to consult a pediatrician or health professional if there are concerns about a baby's sleep patterns or habits.
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Occasional periods of increased sleep are normal and can be due to minor illnesses
Newborns generally sleep for 12 to 17 hours in a 24-hour period, with some newborns sleeping for up to 19 hours per day. However, this sleep is usually spread out into smaller chunks throughout the day and night, especially during the first few months. This is because newborns have tiny stomachs and wake up frequently to feed. They also do not know the difference between day and night and need time to develop an internal 24-hour rhythm.
Additionally, newborns may sleep more than usual when they experience disruptions to their regular routine or when they are going through a growth spurt or developmental leap. Their sleep patterns can also vary depending on their temperament and the duration of their last nap. It is important to monitor your newborn's sleep patterns and consult a pediatrician if you have any concerns.
While occasional increases in sleep duration are typical, it is essential to be vigilant for other symptoms. For instance, if your newborn's longer sleep bouts are accompanied by a fever or signs of respiratory distress, such as fast breathing or grunting, seek medical attention immediately. Similarly, if your baby consistently sleeps through feedings or sleeps excessively, it could indicate an underlying medical condition.
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Frequently asked questions
Newborns sleep a lot because they are growing and developing rapidly, and sleep helps them fight off illnesses. Newborns also don't have a sense of day and night yet, so they sleep in short bursts, sometimes only an hour or two at a time.
Newborns typically sleep between 12 and 17 hours in a 24-hour period, but some may sleep up to 19 hours per day.
Newborns should be fed every 2 to 4 hours, depending on whether they are breastfed or bottle-fed.
Newborns typically start sleeping through the night when they are around 3 to 6 months old and have learned the difference between day and night.











































