
Sleep regression is a common phenomenon in 3-month-old babies, marked by frequent waking, shorter naps, and difficulty falling asleep. This occurs as babies start experiencing cycles of light and deep sleep, often waking fully and requiring assistance to fall back asleep. Additionally, 3-month-olds may be more hungry due to increased calorie needs for development, teething discomfort, or temperature and light sensitivity, leading to disrupted sleep. To improve sleep, maintain a consistent bedtime routine, ensure a safe sleep environment, and gradually transition away from bed-sharing if desired.
| Characteristics | Values |
|---|---|
| Reliant on caregiver help to fall asleep | May need to be held to sleep |
| Overtired or hungry at bedtime | May need more milk or formula |
| Waking overnight to feed | May need 1-3 feedings overnight |
| Need more awake time between naps | May need to adjust feeding schedule |
| Sleep cycles are maturing | May need help transitioning between sleep cycles |
| Teething | Discomfort caused by teething |
| Temperature and light | May be disturbed by temperature or light |
| Rolling over in sleep | May need to transition to their own bed |
| Growth spurt | May need more calories |
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What You'll Learn

Three-month sleep regression
During the three-month sleep regression, a baby's sleep patterns start to mature. They begin to cycle through light and deep sleep more like adults, which can lead to more frequent wakings. At this age, babies may also start showing signs of rolling, which means they can no longer be swaddled, and this change may disrupt their sleep further. Additionally, they may experience growth spurts, making them hungrier, and become more sensitive to temperature or light, all of which can impact their sleep.
To help your baby through this regression, it's essential to establish a consistent bedtime routine. Bathing, reading, and singing can soothe babies and signal the end of the day. Be consistent, and your baby will soon associate these steps with sleeping. If you've been bed-sharing, it's recommended to transition your baby to their own sleeping space gently and slowly. Start by increasing the distance between you and your baby gradually, moving their crib closer to your bed for a few nights before relocating it to another spot in your room.
It's important to remember that every baby is unique, and the duration of sleep regression can vary. While some babies may quickly return to their usual sleep routine, others may take a few weeks or even a month. During this time, focus on creating a safe sleep environment by following recommendations from sources like the American Academy of Pediatrics (AAP). This includes room-sharing without bed-sharing to reduce the risk of SIDS (sudden infant death syndrome) and always placing your baby on their back to sleep on a firm, flat surface.
Additionally, keep the crib or bassinet free from any potential hazards, such as plush toys, pillows, blankets, and loose items with cords or ribbons. Dress your baby appropriately for the room temperature to avoid overheating, and avoid covering their head while they sleep. Offer a pacifier at sleep time, but don't force it, and if you're breastfeeding, wait until it's well established. Most importantly, remember that this phase is temporary, and with patience and consistency, you'll help your baby develop healthy sleep habits.
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Bed-sharing and transitioning to own bed
The American Academy of Pediatrics (AAP) recommends room-sharing without bed-sharing for at least the first 6 months or, ideally, until a baby's first birthday. This is because the risk of SIDS (sudden infant death syndrome) is highest during this period. Room-sharing is convenient for feeding, comforting, and monitoring your baby at night.
If you've been bed-sharing with your 3-month-old and want to transition them to their own bed, it's best to do it slowly and gently. Start by increasing the distance between you and your baby every few nights. If you've been cuddling up together, try moving your baby's crib next to your bed for a few nights. Then, you can gradually move the crib to another spot in your room. It's important to be consistent, as your baby has likely formed a strong habit of sleeping next to you.
Some parents opt to transition their babies to their own room for bedtime only, and then room-share after the first night waking. This approach can be especially useful if you have one sleep surface in your room, such as a bassinet, and another in your baby's room, such as a crib. Remember that younger babies will typically adjust to changes in sleep habits faster than older children who have a greater awareness of their surroundings.
To make the transition exciting and motivating, tune into your baby's preferences. Be prepared for ups and downs, as progress is rarely linear. You can incentivize your baby to get them on board with the change. Choose a transition plan that suits your family, but also stay responsive to your baby's needs. If your baby strongly resists the transition, try laying with them in their bed instead of pulling them into yours.
It's important to note that children younger than 3 years old often lack the cognitive maturity and impulse control needed to stay in bed. A crib provides boundaries that keep them safe while they sleep unsupervised. However, if your child has started climbing out of their crib, it may be time to transition them to a toddler bed.
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Establishing a sleep routine
To establish a sleep routine, you can start by emphasising the difference between night and day. During the night, keep the room dark and quiet, and respond to your baby's cries quickly, settling or feeding them as soon as possible. Give night-time feeds in the bedroom to keep them brief and distinct from daytime feeds. At night, try to be soothing and quiet when you're with your baby.
You can also create a bedtime routine by doing things in a similar order each day, such as feed, play, sleep. Consistent routines can help your baby associate certain steps with sleeping. For example, bathing, reading, and singing can soothe your baby and signal the end of the day. If you've been rocking your baby to sleep, they may expect to be rocked back to sleep after nighttime awakenings. Instead, try putting your baby into a crib while they're drowsy but still awake, so they learn to fall asleep independently.
Additionally, it's important to ensure a safe sleep environment. Follow recommendations such as placing your baby on their back to sleep and using a firm, flat sleep surface. Keep the crib free from toys, pillows, blankets, and other potential hazards. Dress your baby appropriately for the room temperature to avoid overheating, and keep them away from secondhand smoke, which increases the risk of SIDS.
Remember, sleep needs vary by child, so observe your baby's mood and energy levels to determine if they're getting enough rest. If you're concerned about your baby's sleep or development, don't hesitate to speak with your paediatrician.
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Hunger, teething, and growth spurts
Hunger is a common reason for a baby's sleep regression. During growth spurts, babies tend to eat more than usual, and this increased hunger can lead to disrupted sleep patterns. It is recommended that parents evaluate their child's eating habits if they suspect a growth spurt. If your baby is going through a growth spurt, you may need to feed them more frequently throughout the night. However, it is important to be mindful of not creating a new pattern of increased night feedings, as this can lead to further sleep challenges.
Teething can also cause sleep disturbances in 3-month-old babies. Most babies start teething between 4 and 7 months, but some may begin earlier. Teething can cause gum irritation and soreness, making it difficult for your baby to sleep. If you notice other common teething symptoms, such as a drool rash, you can try offering a cooling gum massage with a durable teething ring or a solid plastic teething toy stored in the fridge or freezer. Baby acetaminophen (Tylenol) given 30 minutes before bedtime can also help block mouth pain and aid your baby in falling asleep.
Growth spurts can occur at various times during a baby's first year, with common ages being around 2-3 weeks, 6 weeks, 3 months, and 6 months. During these periods, babies may experience increased fussiness, sleepiness, and hunger. While growth spurts typically last a few days, they can lead to changes in sleep patterns, with babies taking more frequent and longer naps. It is important to note that growth spurts do not usually cause pain, and if your child appears to be in discomfort, it is recommended to contact their healthcare provider to rule out any other health issues.
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Safe sleep environment
It is important to create a safe sleep environment for your 3-month-old. Here are some tips to achieve this:
Firstly, the American Academy of Pediatrics (AAP) recommends room-sharing without bed-sharing. This means placing your baby's crib, portable crib, play yard, or bassinet in your bedroom instead of a separate room. This arrangement allows for easier feeding, comforting, and monitoring during the night. While room-sharing is considered safe, bed-sharing is not, as it increases the risk of SIDS and other sleep-related deaths.
Secondly, always place your baby on their back to sleep on a firm, flat, and level surface. Using a tight-fitting sheet over a well-fitted waterproof mattress protector is recommended. The mattress protector should not be padded or soft to ensure your baby can breathe easily, even if they roll over. Additionally, keep the sleep area clear of any items that could pose a hazard, such as plush toys, pillows, blankets, quilts, comforters, sheepskins, and bumper pads.
Thirdly, maintain a smoke- and vapour-free environment. Exposure to secondhand smoke, even away from the baby, increases the risk of SIDS. Keep your baby away from smokers, and if you or someone close to the baby smokes or vapes, consider reaching out for help to quit.
Lastly, establish a consistent bedtime routine to signal the end of the day. Bathing, reading, and singing can soothe your baby, and swaddling with a light blanket is also an option until they start to roll over. Putting your baby into the crib while drowsy but still awake will help them learn to fall asleep independently.
Remember, it is normal for babies to wake up briefly and fuss or squirm before falling back to sleep. If your baby wakes during their sleep, keep activity to a minimum, and try to keep the lights low and noise quiet.
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Frequently asked questions
There could be several reasons for this. Your baby may be experiencing the 3-month sleep regression, where their sleep patterns start to mature, causing a change in their sleep cycles. They may wake up more frequently, take shorter naps, or even refuse to sleep. It's important to stick to a regular sleep routine and ensure they are getting the required amount of sleep, which is 14 to 16 hours in a 24-hour period.
The 3-month sleep regression is a common phase when a baby's sleep patterns start to change and mature. Instead of sleeping like newborns, they begin to experience cycles of light and deep sleep. This can cause them to wake up fully between these cycles and need assistance falling back asleep. It's important to remember that sleep regressions are a normal part of your baby's development.
Here are some tips to help your baby sleep through the night:
- Stick to a consistent sleep routine.
- Ensure your baby is getting enough sleep during the day.
- Limit daytime naps to three hours and make clear distinctions between day and night.
- Offer a pacifier at sleep time, but don't force it.
- Ensure your baby's room is at a comfortable temperature, and avoid overdressing them.
- Room-sharing is recommended for the first 6 months to help with feeding and comforting, but avoid bed-sharing as it increases the risk of SIDS.
Some signs that your baby is tired include fussiness, rubbing their eyes, yawning, and pulling on their ears. They may also show a lack of interest in people or toys and become clumsy or uncoordinated. It's important to watch for these cues and create a soothing environment to help your baby wind down and prepare for sleep.











































