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Understanding 11 Month Sleep Regression: What to Expect and How to Cope

Are you a parent of an 11-month-old who suddenly isn’t sleeping as well as they used to? Don’t despair, it’s possible that you are experiencing what is known as the 11-month sleep regression. In this article, we’ll explore what sleep regression is and its common ages, signs, causes, and most importantly, how to cope with it.

11 month sleep regression

What is Sleep Regression?

Sleep regression refers to a period when your baby, who has otherwise been sleeping well, starts waking up frequently at night or has disrupted daytime naps. This can happen at various stages of development, including 11 months, and it can last from a few days to several weeks. Understanding sleep regression can help you cope and manage the situation better.

Defining Sleep Regression

Sleep regression happens when your baby’s sleep pattern is disrupted and they start waking up more often than usual. This could be due to a number of reasons, including changes in their development, routine, or the environment around them. Regression is a normal part of a baby’s growth and can occur several times throughout their first year.

Common Sleep Regression Ages

Although sleep regression can happen at any age, there are some common ages for it to occur. The first regression happens when your baby is around 4 months, and then around 8-10 months, 12-15 months, and 18 months. The regression at 11 months is particularly challenging but is also seen as an essential milestone in your baby’s development.

During the 11-month sleep regression, your baby may experience a range of symptoms, including difficulty falling asleep, waking up frequently at night, and shorter naps during the day. This can be a frustrating and tiring time for parents, as they struggle to cope with their own lack of sleep.

However, it’s important to remember that this regression is a sign that your baby is developing and growing. At this age, your baby is learning new skills, such as crawling, standing, and walking, which can disrupt their sleep patterns. They may also be going through separation anxiety, which can cause them to wake up more often during the night.

One way to help your baby cope with the 11-month sleep regression is to establish a consistent bedtime routine. This can include activities such as a warm bath, reading a story, and singing a lullaby. By following the same routine every night, your baby will start to associate these activities with sleep and may find it easier to fall asleep and stay asleep.

Another helpful tip is to create a calm and soothing sleep environment. This can include using a white noise machine, keeping the room at a comfortable temperature, and using blackout curtains to block out any light. By creating a peaceful sleep environment, your baby may be less likely to wake up during the night.

Finally, it’s important to take care of yourself during this challenging time. Make sure to prioritize your own sleep and rest whenever you can. Consider asking for help from family and friends, or hiring a babysitter to give you a break. Remember, sleep regression is a normal part of your baby’s development, and with patience and consistency, you and your baby will get through it.

Why does my 11 month baby cry in his sleep but not awake?

It’s not uncommon for 11-month-old babies to cry in their sleep but not when they are awake. This could be due to dreams or nightmares, discomfort, or transitioning between sleep cycles. It’s usually a normal part of their sleep patterns.

Signs of 11 Month Sleep Regression

One of the most common types of sleep regression is the 11-month sleep regression. If your baby suddenly starts waking up frequently at night, skipping naps, or is fussy and irritable during the day, they may be going through regressions. Below are some of the signs you should be on the lookout for:

Frequent Night Wakings

Waking up frequently is a typical sign of sleep regression. If your baby was once sleeping through the night and now wakes up several times during the night, they might be going through an 11-month sleep regression.

One reason for frequent night wakings is that your baby is experiencing a growth spurt. During these times, your baby may need more food and comfort than usual, leading to more night wakings. Another reason for frequent night wakings is that your baby is learning new skills, such as crawling or walking, which can disrupt their sleep patterns.

Difficulty Falling Asleep

If your baby finds it hard to settle down and drift off into a deep sleep, it could be a sign of the regression. They may take longer to fall asleep or may need more help from you than usual.

One way to help your baby fall asleep is to establish a consistent bedtime routine. This routine can include activities such as a warm bath, reading a book, or singing a lullaby. By following the same routine every night, your baby will learn to associate these activities with sleep and will be more likely to fall asleep on their own.

Changes in Nap Patterns

If your baby’s nap schedule is changing, or they refuse to nap altogether, this could be due to the 11-month sleep regression. They might only nap for a short time during the day, causing more fussiness due to lack of sleep.

One way to help your baby nap better is to create a comfortable sleep environment. Make sure the room is dark, quiet, and at a comfortable temperature. You can also use white noise to help your baby fall asleep and stay asleep.

Increased Fussiness and Irritability

When babies don’t get enough sleep, they can become increasingly fussy and irritable. You might notice that they are more sensitive, clingy, or prone to tantrums.

Another reason for increased fussiness and irritability is that your baby is going through a developmental leap. During these times, your baby is learning new skills and may feel frustrated or overwhelmed. It’s important to provide plenty of comfort and support during these times, as well as opportunities for your baby to practice their new skills.

Remember, sleep regression is a normal part of your baby’s development. By recognizing the signs and providing plenty of comfort and support, you can help your baby through this challenging time.

Causes of 11 Month Sleep Regression

There could be various reasons why your baby’s sleep patterns are changing around 11 months. Here are some possible causes:

Developmental Milestones

Between the ages of 10 and 12 months, your baby is developing some significant milestones. They may be crawling, standing, or even taking their first steps. These milestones can disrupt their sleep as they adjust to their new skills.

Separation Anxiety

As your baby develops, they become more attached to you and can experience separation anxiety. This anxiety can make it harder for your baby to settle down and fall asleep without you or another caregiver in their room.


Teething can disrupt your baby’s sleep patterns due to discomfort, pain, and inflammation in their gums. If your baby is waking up frequently at night and is fussy during the day, it could be due to teething.

Illness or Discomfort

Sometimes, your baby’s sleep regression could be due to an illness, an ear infection or some discomfort that makes it hard for them to sleep. In this case, you should consult with a pediatrician to identify the issue.

Why is my 11 month old suddenly not sleeping?

There can be several reasons why an 11-month-old suddenly stops sleeping. It could be due to developmental milestones, teething, separation anxiety, or changes in their routine or environment.

Why is my 11 month old suddenly so fussy?

Sudden fussiness in an 11-month-old can be attributed to various factors such as teething discomfort, hunger, tiredness, illness, or general growth and development.

How to Cope with 11 Month Sleep Regression

As difficult as it may be, there are several things that you can do to help your baby cope with this challenging time. Some of these tips include:

Establish a Consistent Bedtime Routine

Having a routine gives your baby the signals they need to know when it’s time for bed. You can incorporate bath time, sing lullabies, read stories, and then place your baby in their crib while they’re drowsy but still awake.

Create a Sleep-Inducing Environment

You should create a calm and comfortable environment for your baby to sleep in. Use blackout shades to keep the room dark, white noise machines or soft music to minimize outside noise, and adjust the room temperature to your baby’s liking.

Offer Comfort and Reassurance

Comfort and reassure your baby when they wake up during the night or during naptime. You can hold them for a moment, speak softly, or rub their back before placing them back in the crib.

Adjust Nap Schedules

You might need to adjust the times of your baby’s naps for them to get the required amount of rest. Don’t be afraid to try something new and see what works best for your baby.

Be Patient and Flexible

It can be difficult to cope with sleep regression, but it’s essential to be patient and flexible. It can take several days or even weeks for your baby to return to their regular sleep pattern. Don’t worry; things will eventually work out.


Sleep regression is challenging, but it’s a vital part of your baby’s development. As your baby grows, they experience numerous changes, which can affect their sleep patterns. It’s essential to know the signs, causes, and ways to cope with sleep regression. By following the tips in this article, you can help your baby navigate this stage and ensure you both get the quality sleep you need.

References and Sources

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