Herbie Murray
A three-week-old baby's sleep schedule is unpredictable and varies from baby to baby. They may take a 20-minute nap, stay awake for an hour, and then sleep for two hours. This is normal, as babies at this age do not have an organised circadian rhythm. Their sleep is controlled by sleep pressure and hunger, so you can expect short and long periods of sleep with frequent wakings for food. Newborns up to 3 or 4 months old need 14 to 17 hours of sleep in a 24-hour period, waking every two to four hours to eat. It is important to create a calm sleep environment and establish a bedtime routine to signal the end of the day. If your baby is crying, rule out sleep and hunger needs, and then check for gas or reflux.
| Characteristics | Values |
|---|---|
| Sleep hours in a 24-hour period | 14-17 hours |
| Sleep cycles | 20-50 minutes |
| Sleep patterns | Unpredictable |
| Sleep cues | Rubbing eyes, staring into space, yawning, fussiness |
| Sleep surface | Firm, flat, and approved by the U.S. Consumer Product Safety Commission (CPSC) |
| Sleep position | On their back |
| Sleep environment | Calm, dark, with white noise |
| Colic | May appear around three weeks |
| Crying | May indicate hunger, gas, reflux, or an attempt to communicate |
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What You'll Learn
- Sleep patterns: unpredictable, short and long periods of sleep, with wakings for food
- Sleep duration: 14-17 hours of sleep in a 24-hour period, with daytime naps up to three hours
- Sleep environment: calm, dark, with white noise, and approved sleep products
- Sleep position: on their back, on a firm, flat surface, without loose items
- Sleep cues: yawning, fussiness, staring, and rubbing eyes
Sleep patterns: unpredictable, short and long periods of sleep, with wakings for food
At three weeks old, your baby's sleep patterns are likely to be unpredictable, with short and long periods of sleep, and frequent wakings for food. This is perfectly normal. In their first few months, babies don't have an organised circadian rhythm, so their sleep is controlled by sleep pressure and hunger.
A newborn's sleep is usually distributed evenly between day and night. You can expect your three-week-old to sleep for around 14 to 17 hours over a 24-hour period, waking every two to four hours to eat. Their naps may last anywhere from 20 minutes to two hours, and they can usually stay awake for 30 to 90 minutes before needing to sleep again.
To help your baby sleep, you should create a familiar and relaxing bedtime routine. You can bathe them, read to them, or sing to them. Swaddling your baby (wrapping them in a light blanket) is also an option, but only until they start to roll over, typically at around three to four months old. It's important to place your baby on their back to sleep on a firm, flat surface, and to avoid soft bedding or toys, which could be unsafe.
If your baby is crying a lot, it could be due to gas or reflux. Try rubbing their belly, patting their back, or keeping them upright for 30 minutes after feeding. If they're bottle-fed, you may need to change the flow of the nipple. If your baby is sleeping much more than usual, is difficult to wake, or can't stay awake, you should speak to your doctor.
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Sleep duration: 14-17 hours of sleep in a 24-hour period, with daytime naps up to three hours
At three weeks old, your baby should be getting 14 to 17 hours of sleep in a 24-hour period. This will include daytime naps of up to three hours. However, it's important to remember that there is a wide range of normal sleep patterns for babies this age, and their sleep times and durations will vary. Their sleep is controlled by sleep pressure and hunger, so you'll likely see short and long periods of sleep, with frequent wakings for food.
Your baby's sleep schedule will likely still be unpredictable, and their circadian sleep-wake system is immature, so their sleep is pretty evenly distributed between day and night. You might notice some emerging sleep patterns, such as a longer stretch of sleep in the evening, or their naps tending to be a certain length. However, it's important not to try to follow a specific sleep schedule or number of naps at this age. Instead, focus on gauging your baby's overall mood and energy levels to evaluate whether they're getting enough sleep.
To help your baby sleep, create a calm sleep environment that is preferably dark with white noise. You can also try putting your baby down in their crib or bassinet when they're drowsy but not asleep. If they start to fuss, you can try singing a lullaby, gently patting their belly, or using a pacifier. If they cry, you can pick them up, rock them, and try again when they're calm.
It's also important to prioritize daytime calories to help work towards longer stretches of night sleep. However, don't keep your baby up longer during the day in hopes of an earlier bedtime, as this can often lead to more night wakings. Instead, aim for a nap if they've been awake for over 1.25 hours and haven't shown sleepy signs like rubbing their eyes, yawning, or becoming fussy.
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Sleep environment: calm, dark, with white noise, and approved sleep products
At three weeks old, a baby's sleep schedule is likely to be unpredictable. Sleep times and durations will vary, and this is normal. Due to an immature circadian sleep-wake system, most babies at this age have sleep that is pretty evenly distributed between day and night.
To help your baby "fix" their day/night sleep pattern, try to keep their environment bright and noisy during the day and quiet and dark at night. It can also be helpful to avoid stimulating your baby or waking them up when you feed or change them overnight.
Calm
Keep things calm and quiet during middle-of-the-night feedings and diaper changes. Try to keep the lights low and resist the urge to play with or talk to your baby. This will send the message that nighttime is for sleeping.
Dark
Make the room dark at night to signal that it's time for sleep. During the day, you can keep the environment bright to help your baby distinguish between day and night.
White Noise
White noise can be soothing for babies and may help them sleep. You can use a white noise machine or a household fan to create a gentle background noise. Just make sure the noise is at a safe volume and not too loud.
Approved Sleep Products
Make sure that all sleep surfaces and products you use have been approved by the U.S. Consumer Product Safety Commission (CPSC) and meet federal safety standards. Use a firm, flat sleep surface and cover the mattress with a sheet that fits snugly. Do not put anything else in the crib or bassinet. Keep plush toys, pillows, blankets, unfitted sheets, quilts, comforters, sheepskins, and bumper pads out of your baby's sleep area.
Additionally, watch out for hazards such as items with cords, ties, or ribbons that can pose a strangulation risk, and objects with sharp edges or corners. Ensure that hanging mobiles, wall hangings, pictures, draperies, and window blind cords are out of your baby's reach.
It is also important to note that room-sharing is different from bed-sharing. Room-sharing, where the baby sleeps in the same room as the caregiver in a separate bassinet or crib, is considered safe and is recommended by the American Academy of Pediatrics (AAP). On the other hand, bed-sharing, where the baby sleeps in the same bed as the caregiver, is not recommended as it increases the risk of SIDS and other sleep-related deaths.
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Sleep position: on their back, on a firm, flat surface, without loose items
It is important to place your 3-week-old baby on their back to sleep on a firm, flat surface. This is the safest position for your baby to sleep in and can reduce the risks associated with Sudden Infant Death Syndrome (SIDS). When placing your baby on their back, ensure their face is uncovered and their head is not covered by any bedding or loose items. A firm mattress in a crib, bassinet, or play yard is recommended. Make sure the surface is free of pillows, blankets, toys, or any other soft objects that could increase the risk of suffocation or entrapment. It is also important to keep the sleep area close to your bed, so you can easily monitor your baby during sleep.
The crib, bassinet, or play yard should have a tight-fitting, firm mattress. The surface should be free of soft bedding or other soft materials until the baby is at least 12 months old. This includes blankets, quilts, pillows, and bumper pads. Instead of using blankets, dress your baby in sleep clothing that provides adequate warmth, such as a sleep sack or a wearable blanket. Make sure the sleep clothing is not too loose, as it may cause a strangulation hazard.
It is recommended to keep your baby's sleep area in the same room as you for the first 6 months, as it can help with night-time feedings and provide a sense of security for your baby. Ensure that the room has good airflow and maintains a comfortable temperature. An ideal temperature for sleep is between 68–72 °F (20–22 °C). Avoid overheating, as it can increase the risk of SIDS.
Additionally, create a calm and soothing environment by keeping the lights low during night-time feedings and minimizing noise. This can help your baby establish a healthy sleep-wake cycle and promote better sleep. It is also important to supervise your baby during tummy time when they are awake and you are watching. Tummy time helps your baby develop strong neck and shoulder muscles and can aid in their development. By following these guidelines, you can ensure that your 3-week-old baby sleeps safely and comfortably.
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Sleep cues: yawning, fussiness, staring, and rubbing eyes
At three weeks old, your baby's sleep schedule will likely still be unpredictable. Sleep times and durations will vary, and this is normal. Babies at this age don't have an organised circadian rhythm, so sleep is controlled by sleep pressure and hunger. You'll probably see short and long periods of sleep and plenty of wakings for food and comfort over a 24-hour period.
Your baby should be getting 14 to 17 hours of sleep in a 24-hour period, usually waking every two to four hours to eat.
Sleep cues are physical and behavioural signs that can help you decipher your baby's needs and determine when they're ready for sleep. Some common sleep cues include:
- Yawning
- Rubbing eyes
- Fussiness
- Staring into space
- Slowing in activity levels
- Not maintaining eye contact
Since these signs can be fleeting and easy to miss, it's recommended to aim for a nap if your baby has been awake for over 1.25 hours and hasn't shown any sleepy signs. Recognising sleep cues can help you settle your baby for their nap or bedtime without them getting overtired.
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Frequently asked questions
Newborns up to 3 or 4 months old need 14 to 17 hours of sleep in a 24-hour period, waking every two to four hours to eat. However, there is a wide range of normal sleep patterns for babies this young, so don't worry too much about hitting a specific number of hours or naps.
Crying is a newborn's main way of communicating. Your baby may be crying because they are hungry, need to burp, or are experiencing gas pains or reflux. They may also be crying because they are overtired or are developing colic, which tends to peak at 5 to 6 weeks and usually resolves by 3 to 4 months.
You can try putting your baby down in their crib or bassinet when they are drowsy but still awake. If they start to fuss, you can try singing a lullaby, gently patting their belly, or using a pacifier. If they cry, you can pick them up, rock them, and try again when they are calm. It is important to create a calm sleep environment that is preferably dark with white noise.
Sleep schedules for newborns are often unpredictable until closer to 3 to 4 months old. Instead of focusing on a strict sleep schedule, prioritize your baby's feeding needs and keep them on a consistent sleep and feeding routine. You can also help your baby adjust to the idea that nighttime is for sleeping by keeping your curtains open and the lights on during the day, and keeping things dim at night.
