
It can be distressing to see your baby crying in their sleep, but it's a common occurrence and often nothing to worry about. Babies have different sleep patterns from adults, spending more time in REM sleep, which is when they dream and their eyes move behind their eyelids. They may also jerk or twitch and have irregular breathing patterns. Babies also go through six stages of sleep, and crying out can be a sign that they are transitioning from one stage to another. They may settle back down on their own, but sometimes the transition wakes them up.
| Characteristics | Values |
|---|---|
| Hunger | Babies may cry in their sleep if they are hungry. |
| Dirty diaper | A dirty diaper could be the reason for the baby's discomfort. |
| Teething | Teething can cause pain and discomfort, leading to crying or whining. |
| Illness | Sickness or illness can cause babies to cry in their sleep. |
| Sleep regression | Changes in sleep patterns or sleep regression can occur due to travel or developmental milestones. |
| Separation anxiety | Separation anxiety typically arises around 8-9 months and can cause sleep disturbances. |
| Nightmares | Older babies may experience nightmares as their imagination develops. |
| Night terrors | Toddlers may experience night terrors, which are more common if the child is sick or sleep-deprived. |
| Overtiredness | Babies may cry before falling asleep due to overtiredness. |
| Brain development | Mental leaps and brain development can make babies more unsettled and prone to crying. |
| Environmental factors | Light, noise, and lack of routine can disrupt sleep patterns and cause crying. |
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What You'll Learn

Your baby is hungry
It is common for young babies to make noises during sleep, including crying, screaming, or grunting. Crying is the main form of communication for very young babies, and it is developmentally normal for them to cry often, even in their sleep.
If your 1-year-old baby is whining in their sleep, it could be because they are hungry. Newborns wake more frequently than older babies due to their frequent need to eat, and this includes more sleep disturbances like crying without being fully awake. If your baby is crying in their sleep, you can try comforting them by nursing them, even if they are not hungry. Nursing is very soothing for babies, and the closeness to their mother will bring down their heart rate and prepare them for sleep.
If your baby is crying inconsolably, it could be due to hunger or a dirty diaper. If you know your baby is not hungry, wet, or soiled, and they do not have a fever, wait a few minutes to see if they settle back to sleep on their own. If they are still crying, check on them for any signs of discomfort, like temperature or a dirty diaper, and gently soothe them without waking them fully.
Babies also experience sleep regression around their first birthday, which can cause trouble with naps and nighttime sleep. Toddlers may also resist naps, leading to overtiredness, which can cause them to cry more before falling asleep and between sleep cycles.
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They are having a nightmare
While it is uncommon for babies to cry in their sleep, it does happen. One-year-olds can have nightmares, though these more typically begin around or after a child's second birthday. If your one-year-old is whining in their sleep, it could be because they are having a nightmare.
Nightmares occur during REM sleep, or light sleep, when the brain is processing new memories, filing away information, and matching it with other similar experiences. During this stage, your baby might jerk or twitch, and their breathing may become irregular. They might cry out for you, and they will likely be responsive to physical reassurance.
If your baby wakes up after having a nightmare, comfort them and follow a soothing sleep ritual to get them back to sleep. Older babies and toddlers may need reassurance that the nightmare was not real. You can discuss nightmares with your child and help them understand that nightmares aren't real and that they are safe.
If your baby is screaming in their sleep but not awake, give them a moment to see if they settle on their own, as this could be a part of their sleep cycle. If they continue to cry or scream, check on them for any signs of discomfort, like temperature or a dirty diaper, and gently soothe them without waking them fully. Avoid waking them unless necessary, as it can cause more confusion.
If your baby is crying for no apparent reason and doesn't have a fever, wait a few minutes to see if they settle back to sleep. Crying in sleep is usually nothing to worry about, and it is developmentally normal for babies to cry in their sleep.
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They are in pain
If your 1-year-old is whining in their sleep, it could be because they are in pain. Crying out in sleep is not dangerous and is usually not a sign of a serious problem. However, if you suspect your child is in pain or is experiencing a medical issue, it is important to seek medical attention.
Your baby might be in pain due to teething. Teething pain can cause your child to wake up crying at night. If your child is moving their hands or objects to their mouth and has red and swollen gums, they may be experiencing teething pain. Teething can continue well into your child's second and third years.
Your baby might also be in pain due to an illness. A mild illness can often be managed at home with over-the-counter medication for symptoms like pain or fever. More severe symptoms such as persistent high fever, lethargy, vomiting, diarrhea, or symptoms of an ear infection warrant a call to the pediatrician. Fevers, vomiting, ear infections, body aches, and congestion can all wake your toddler suddenly, causing them to cry or scream in the middle of the night.
If your baby is crying hysterically and you are unable to soothe them, they might have gas. Clenched fists and squirming are also signs of gas. Speak to your baby's doctor about medication if this is a consistent issue.
If your baby is whining in their sleep, try to give them a moment to see if they settle on their own, as crying in sleep can be a part of their sleep cycle. If they continue to whine or cry, check on them for any signs of discomfort or pain.
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They are overtired
If your 1-year-old is whining in their sleep, it could be because they are overtired. This could be due to a variety of reasons, such as:
Lack of sleep
Sleep problems are common in the second half of a baby's first year. This could be due to early morning rising, missed or short naps, and later bedtimes. It is important to be consistent about putting your baby to bed for naps during the day and getting them to bed at a reasonable time in the evening.
Sleep regression
Your baby will likely experience sleep regressions throughout their first year. These changes in their sleep patterns might be triggered by an upset in their routine or a developmental leap. For example, around their first birthday, they might start resisting naps, which can lead to overtiredness.
Separation anxiety
Starting at 6 months old, separation anxiety can cause babies to wake up crying more than once during the night. This usually happens when they become more clingy and prefer their caregiver over strangers or other family members.
Teething
Teething can cause babies to be fussier and whine due to discomfort both day and night. They may also cry in their sleep due to the pain.
If you suspect your baby is overtired, it's best to keep the atmosphere calm and peaceful and help them settle quickly. You can also condense your bedtime routine or speed it up to help your baby fall asleep faster.
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It's a sleep regression
It's completely normal for babies to make noises during sleep, including crying and whining. In fact, crying is the main form of communication for very young babies. However, if your 1-year-old is whining in their sleep, it could be a sign of sleep regression.
Sleep regression refers to a sudden and significant decline in sleep patterns. It can occur at any age, but commonly arises around the 12-month mark as infants tend to take a step backward in their sleep routines. This is often due to the various transitions and developmental strides that occur around this time, such as weaning off nursing, switching from bottles to cups, or moving to a new room at daycare. These changes can lead to new sleep struggles and disruptions, which may manifest as whining or crying during sleep.
Additionally, the development of object permanence can lead to increased separation anxiety, making it harder for your child to fall asleep independently. They may also experience teething pain, nightmares, or growth spurts that contribute to sleep regression. It's important to rule out any physical concerns, such as illness or teething, before attributing the sleep issues solely to regression.
The duration of a sleep regression can vary, typically lasting only 1-2 weeks if healthy sleep habits are maintained. However, it may persist longer if new habits are introduced or routines are disrupted. To cope with sleep regression, it's crucial to focus on positive sleep habits and provide comfort without straying too far from your typical routines.
If your baby is screaming in their sleep but not fully awake, it is recommended to give them a moment to see if they settle on their own. This is because screaming can be a part of their sleep cycle, and waking them up can cause more confusion. However, if they continue to scream or show signs of discomfort, gently soothe them without fully awakening them. Creating a calm sleep environment and a consistent bedtime routine can help prevent crying or screaming in their sleep.
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Frequently asked questions
It could be due to several reasons, such as hunger, teething, illness, sleep regression, separation anxiety, or nightmares. If your baby is whining in her sleep, it is recommended to wait a few minutes to see if they settle back to sleep on their own.
Nightmares occur during light sleep, or REM sleep, and can cause your toddler to wake up upset and frightened. If your baby is screaming or crying inconsolably and seems awake, they may be experiencing a night terror.
Establishing a calming and consistent bedtime routine can help prevent crying or whining in their sleep. This can include activities such as reading books or singing lullabies. Additionally, providing your baby with a comfort object, such as a stuffed animal, can help them self-soothe and settle back to sleep.





















