Colin Snow
Sleep is essential for a baby's growth and development. In the first three months, newborns cry a lot and their sleep-wake cycles are not yet established. However, by the time they are three months old, babies start to develop more defined sleep patterns and may even begin sleeping through the night. They typically sleep for 14 to 17 hours in a 24-hour period, with 2-3 daytime naps lasting between 30 minutes to 2 hours each, and longer stretches of sleep at night. While every baby is unique, this transition can be challenging for parents, who may need to adjust their routines to accommodate their baby's evolving sleep needs.
| Characteristics | Values |
|---|---|
| Total sleep in 24 hours | 10-18 hours |
| Number of daytime naps | 2-3 |
| Daytime nap duration | 30 minutes to 2 hours |
| Night-time sleep duration | 5-12 hours |
| Bedtime | 6 pm-10 pm |
| Sleep cycle duration | 20-60 minutes |
| Sleep cycle stages | Active sleep, quiet sleep |
| Active sleep characteristics | Moving, grunting, crying, eye opening, noisy or irregular breathing |
| Quiet sleep characteristics | Deep sleep, even breathing |
| Self-soothing | Some babies can self-soothe |
| Sleep regression | May occur |
| Sleep associations | Pacifiers, swaddling, feeding |
| Hazards | Cords, ties, ribbons, sharp objects, smoke |
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What You'll Learn
A 3-month-old baby should get 14-17 hours of sleep over 24 hours
At this age, babies will usually have 2-3 daytime naps lasting between 30 minutes and 2 hours. They will also have a longer "sleeping through the night" stretch after a late-night feeding. It's important to note that every baby is unique, and their sleep patterns can vary. Some babies may take a 2-hour nap in the morning but then take shorter naps of 20-40 minutes later in the day. It is recommended that no single nap should be longer than 2 hours, as this ensures the baby has enough awake time during the day to meet developmental milestones and get their daytime calories, which can help work towards longer stretches of sleep at night.
Sleep cycles for 3-month-olds are usually around 50-60 minutes long, consisting of active and quiet sleep. During active sleep, they may move, grunt, or cry, and during quiet sleep, they will sleep more deeply. It is normal for babies to wake up between sleep cycles, and they may need help settling into the next sleep cycle.
To establish a healthy sleep routine, parents can start by creating a familiar and relaxing bedtime routine. This could include bathing, reading, and singing, which can soothe babies and signal the end of the day. It is also important to expose babies to light and gentle play during the day and provide a dim and quiet environment at night to help them learn the rhythm of day and night.
It is recommended that parents room-share without bed-sharing for at least the first 6 months to reduce the risk of SIDS (sudden infant death syndrome). Additionally, it is important to ensure that all sleep surfaces and products meet safety standards and that the baby's sleep area is free from potential hazards, such as plush toys, pillows, and loose blankets.
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Sleep cycles are 50-60 minutes long
By the time they are three months old, babies start to develop day and night sleep patterns. At this age, a baby's sleep cycles are 50-60 minutes long. These sleep cycles are made up of active sleep and quiet sleep. During active sleep, a baby may move, groan, open their eyes, cry out, or breathe noisily or irregularly. During quiet sleep, they will lie relatively still and their breathing will be more even. It is normal for newborns to wake between sleep cycles. As they get older, they will learn to settle themselves and fall back to sleep. This ability to settle themselves between sleep cycles is called self-settling.
At three months, a baby's sleep patterns will start to become more defined. Their sleep cycles will develop more of a rhythm. However, it is important to remember that every baby is different, and their sleeping patterns can vary a lot. Some babies will start to sleep through the night at this age, but others might still be waking up every few hours. Most babies will sleep about 5 hours at a time.
At this age, babies will usually have 2-3 daytime naps lasting between 30 minutes and 2 hours. They will also start to have longer periods of sleep at night, from 10 pm to 6 am, on average. With a few 1½-hour naps during the day, a three-month-old baby should get about 14 to 17 hours of total sleep in a 24-hour period.
To help your baby develop healthy sleep habits, it is important to create a consistent bedtime routine. This might include bathing, reading, and singing, which can soothe babies and signal the end of the day. Being consistent will help your baby associate these steps with sleeping.
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Daytime naps should be no longer than 2 hours
By the time your baby is three months old, their sleep patterns will start to become more defined. While their sleep cycles will be longer than when they were newborns, they will still need to nap during the day.
At this age, daytime naps should be no longer than two hours. This is because you don't want your baby to get too much sleep during the day, as it will prevent them from getting the longer stretches of sleep they need at night. By limiting their daytime naps to two hours or less, you encourage them to get their daytime calories, which will help them work towards longer stretches of sleep at night.
Most three-month-old babies will take around 4-5 naps per day, but this will vary from baby to baby. Their sleep cycles will be around 50-60 minutes long, and they will move around and make noises during active sleep, sleeping more deeply during quiet sleep.
At three months, your baby will be more active during the day, so it's important that they get enough sleep to support their development. They should be getting around 14-17 hours of sleep over a 24-hour period, and you can help them establish a healthy sleep routine by exposing them to light and playing with them gently during the day, and providing a dim and quiet environment at night.
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Night-time sleeps get longer
At three months, your baby's sleep patterns will start to become more defined, with longer stretches of night-time sleep. This is a big improvement since the two-month sleep regression. You may notice that your baby is taking fewer naps and requiring fewer night feedings.
At this age, most babies sleep for 10 to 18 hours in a 24-hour period, with some sleeping up to 14 to 17 hours. Their sleep is usually spread across 2-3 daytime naps lasting between 30 minutes to 2 hours each, followed by longer stretches of night-time sleep.
Some three-month-old babies may start sleeping through the night, but this doesn't necessarily mean an uninterrupted 8-9 hour stretch. Most babies at this age will sleep for about 5 hours at a time. You can encourage longer stretches of night-time sleep by prioritising daytime calories and limiting the length of each nap to no more than 2 hours.
To help your baby develop a healthy sleep pattern, it's important to establish a consistent bedtime routine. This could include activities such as bathing, reading, and singing, which signal the end of the day and prepare your baby for sleep. Exposing your baby to light and gentle play during the day can also help them learn the difference between day and night.
Remember that every baby is unique, and it's normal for sleep patterns to vary. If you're concerned about your baby's sleep, you can always seek advice from a child health professional.
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A bedtime routine can help
At around three months old, babies start to develop a more consistent sleep pattern. While this is an exciting milestone, it can also be challenging for parents, who may experience sleep regression and unpredictable sleep patterns.
Next, create a soothing pre-sleep routine that includes activities such as bathing, reading, and singing. These activities will help your baby relax and prepare for sleep. You can also provide a dim and quiet environment at night to encourage longer stretches of sleep. Additionally, exposing your baby to light and gently playing with them during the day can help them learn the difference between day and night.
It's important to prioritize daytime calories and limit daytime naps to ensure your baby is tired enough for longer stretches of night sleep. Most 3-month-olds should have no more than 5 hours of total daytime sleep, with each nap lasting between 30 minutes to 2 hours. However, be mindful of your baby's unique needs, as some may require more or less sleep than others.
Finally, be consistent with your bedtime routine and give it time to establish. Your baby will soon associate these steps with sleeping and develop a healthy sleep pattern.
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Frequently asked questions
A 3-month-old baby should get 14 to 17 hours of sleep over a 24-hour period.
The sleep cycles of a 3-month-old baby last 50 to 60 minutes.
A 3-month-old baby will take 2 to 3 naps during the day.
The naps of a 3-month-old baby last between 30 minutes and 2 hours.
A common bedtime for a 3-month-old baby is 7 p.m.
