15 Month Sleep Regression: Expert Tips for Better Sleep

The 15 month sleep regression affects many parents and their toddlers. It’s when toddlers start having trouble falling and staying asleep. You might see them waking up more at night or getting up early. This issue often happens because of big changes in their mind and body.

This phase can last 1 to 2 weeks. But, it’s really tough for both you and your little one. But don’t worry, we’ve got expert tips to make it through and enjoy better sleep again. Let’s dive in.

Key Takeaways

  • The 15 month sleep regression is a common occurrence for most toddlers around this age.
  • Maintaining a consistent toddler sleep routine is key to helping your child through this regression.
  • Sleep training for toddlers can be an effective strategy during this transitional period.
  • Addressing separation anxiety and other developmental changes can help improve toddler sleep challenges.
  • Sticking to a consistent nap schedule is important to prevent overtiredness and further disruptions to nighttime sleep.

What is the 15 Month Sleep Regression?

The 15 month sleep regression is a time when many toddlers change their sleep patterns. Parents may find their 15 month olds have trouble falling asleep or staying asleep. They may also wake up a lot at night or start the day too early.

Kids might become more fussy, want to be held more, and their eating habits could change. This is because their body and mind are growing and changing.

Common Signs of 15 Month Sleep Regression

Here are some signs you might see during the 15 month sleep regression:

  • Difficulty falling or staying asleep
  • Increased night wakings and disrupted sleep
  • Earlier morning wake-ups
  • Heightened fussiness and clinginess
  • Changes in appetite or mood

Causes of the 15 Month Sleep Regression

The 15 month sleep regression happens because of many reasons. Things like learning to walk or talk, and feeling more emotions play a big part. So do teething, being sick, and if they are stopping using a bottle or pacifier.

Understanding the Developmental Changes

Around 15 months, your toddler is growing a lot. They might take their first steps. This makes them busy and wanting to do more things.

Because of this, they may find it hard to go to sleep. Their mind and body are active all day.

Physical and Motor Skill Development

At 15 months, your toddler is hitting big physical milestones. They walk, climb, and play a lot. Being so active makes it tough for them to sleep.

This active play also shows they are becoming more independent. That’s why they might find it tough to fall asleep.

Cognitive and Language Development

Toddlers at this age also grow in how they think and talk. They understand more about the world. This can make them not want to be apart from you.

They are also starting to talk more. So, they might call out or not want to go to bed. They are curious about how they can talk.

Emotional Development and Separation Anxiety

Toddler’s emotions and being apart from you are big deals at 15 months. They want to do things on their own but need you close.

Since they want to be more independent, they may need you more at sleep time. This makes sleeping without you harder for them.

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15 Month Sleep Regression: How Long Does It Last?

The how long does 15 month sleep regression last question has a hopeful answer. Most experts say it’s usually 1 to 2 weeks long. Of course, how long it lasts can change for each child. But, staying steady in your sleep routine is key. This will help your toddler move past this sleep dip more easily. Keep calm, use good tips, and your child’s sleep will get back on track soon.

Strategies to Cope with the 15 Month Sleep Regression

To deal with the 15 month sleep regression, keep a steady bedtime routine. Include a bath, storytime, and lullaby every night. This familiar schedule makes your toddler feel comfy and ready for sleep. Even on trips or when life gets busy, stick to the routine. It brings much-needed calm during this change.

Establish a Consistent Bedtime Routine

Make sure your toddler’s sleep area is calm. Keep it cool, dark, and quiet. A white noise machine and blackout curtains can help. They block out sounds and light that might wake your child. Adding a favorite stuffed animal or blanket can make bedtime feel safe and cozy. This helps your toddler sleep better.

Create a Soothing Sleep Environment

A special stuffed animal or soft blanket can comfort your toddler. This lovey makes your little one feel safe at night. Including it in the bedtime routine helps your toddler know it’s sleep time. Plus, they’ll be less scared to be alone in their bed.

Introduce a Lovey or Security Object

If your toddler wakes up at night, offer comfort without picking them up. Use soothing words or gentle pats. This keeps them from needing you to fall back asleep. Staying calm and consistent in how you comfort them is key.

Offer Comfort and Reassurance

The Importance of Naps During the Regression

During the 15 month regression, your toddler may lose sleep at night. Toddler naps during sleep regression become even more essential. They help keep your child healthy and stop them from being too tired, which makes nighttime waking worse. Keep a steady nap schedule and change it if necessary. This way, make sure your toddler gets enough rest during the day and night.

15 Month Sleep Regression and Separation Anxiety

At 15 months, your toddler might struggle to sleep because of separation anxiety. They understand that things still exist even when hidden. Your child might cry or not want to sleep without you.

Understanding Object Permanence

Around 15 months, kids learn about object permanence. This means they realize you exist even when they can’t see you. They may fear you won’t return, boosting anxiety.

Tips for Dealing with Separation Anxiety

To ease separation anxiety, play games like peekaboo to show you come back. Spend time with them in their room to feel close. Over time, leave them alone for short periods to boost their confidence.

15 Month Sleep Regression: When to Sleep Train

At 15 months, your toddler might have a hard time sleeping well. This is a perfect time to start or restart sleep training. A solid sleep training plan helps your child go through this growth stage. It sets them up for good sleep habits. You might use a method you know or try something new. For instance, you could try the chair method or changing bedtime slowly. The aim is to help your child sleep better.

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This phase might make your child’s sleep off, thanks to certain big changes. Using sleep training now can guide them to better sleep. It gets them through this tough spot and into a sleep routine that lasts.

There are a few ways to sleep train at 15 months:

  • Try the chair method. You slowly step back as your child finds ways to sleep on their own.
  • Maybe bedtime fading will work for you. It shifts bedtime later to fit your child’s natural sleep schedule better.
  • The Ferber method, also known as controlled crying. You check on your child at set times to comfort them.

No matter which method you pick, staying with it and being patient is vital. With your help, your child can beat the 15 month sleep regression. They’ll learn to sleep well on their own. This is good for their future sleeping habits.

The 15 Month Sleep Regression and Nap Transitions

Around 15 months, toddlers may start needing only one nap. This change can cause the 15 month sleep regression. It’s key to watch for when your kid is tired. Then, you can slowly tweak their nap schedule rather than just cutting naps. Letting your toddler guide this process can make it easier for them.

Your 15 month old might be ready for one nap a day. Others might still need two. By slowly changing the second nap, your toddler can adjust easier.

Keeping things the same is important during this phase. Stick to a bedtime routine and sleep setup. And, be patient. Your child’s signs will show you when they’re ready for one nap. This way, you can switch to one nap without messing up sleep at night.

Watch for Sleep CuesClosely observe your toddler’s sleep signs, such as yawning, eye rubbing, or decreased engagement, to determine the right timing for the nap transition.
Gradual ApproachShift the second nap gradually, moving it earlier or later in the day, before completely eliminating it. This can help your toddler adjust more smoothly.
Maintain ConsistencyKeep bedtime routines, sleep environments, and overall schedule as consistent as possible to provide stability during the toddler nap schedule changes.

The 15 month sleep regression and nap changes can be tough. But, taking it slow and watching your child’s cues can help. This way, you can make the switch smoother. And soon, everyone can enjoy better sleep.


The 15 month sleep regression can be tough. It affects both parents and kids. But it’s just a phase that will go away soon. Know what changes your child is going through.

Use good ways to handle the 15 month sleep regression and to comfort them. Keep their sleep schedule the same. With the right steps and patience, your child will sleep better soon.

As your child keeps growing, there could be more sleep challenges ahead. But you now have the knowledge and tools. You are ready for what’s to come.

Stick to a bedtime routine. Make their sleep spot cozy. Give lots of love and help. This will help your child through this tough time. You can all look forward to quiet nights and happy days again. Be strong and trust yourself. This will get better. Good night to you and your loved ones!

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What is the 15 month sleep regression?

Toddlers at 15 months often face a challenging time with their sleep. They might find it hard to fall asleep or stay asleep. This can lead to more night wakings and getting up early.

What are the common signs of the 15 month sleep regression?

Kids at this age might show more fussiness or clinginess. They could also see changes in their eating habits or moods. Sleep-wise, they might have trouble sleeping through the night or falling asleep.

What causes the 15 month sleep regression?

This sleep issue is linked to many growing factors. These include getting better at moving, learning more words, and feeling more emotions, like being apart from loved ones.

How long does the 15 month sleep regression last?

This phase could last from 1 to 2 weeks. But remember, each child is different. So, it might be shorter or longer for yours.

How can I establish a consistent bedtime routine to help my toddler during the 15 month sleep regression?

A regular night routine can make a big difference. Try a warm bath, a bedtime story, and a soothing song. Keep at it, even when there are bumps in the road.

What can I do to create a soothing sleep environment for my toddler during the 15 month regression?

Make sure their sleeping area is just right. This means it should be cool, dark, and quiet. Using things like a white noise machine or curtains that block light can also help.

How can a lovey or security object help during the 15 month sleep regression?

A familiar soft toy or blanket can soothe your toddler. It gives them comfort and a sense of safety, making falling asleep easier.

How should I respond when my toddler wakes during the night during the 15 month regression?

Comfort and reassure your child, but without picking them up too often. Gentle words and light touches can calm and help them sleep again.

Why is it important to maintain my toddler’s daytime nap schedule during the 15 month sleep regression?

Naps are key for your child’s health and to avoid being too tired. Skipping or changing nap times can make night wakings worse.

How can I help my toddler cope with separation anxiety during the 15 month sleep regression?

Engage in activities that build a sense of constant presence. Spend more time in their room and leave them for short moments, slowly increasing the time apart.

Is the 15 month sleep regression a good time to revisit sleep training with my toddler?

This can be a good time to look back at teaching good sleep habits. A solid sleep training routine can give your child the structure they need during this phase.

How can I manage the transition from two naps to one during the 15 month sleep regression?

Watch your child’s sleep clues closely. Start making their morning nap a bit later before you stop their afternoon nap. Letting your child lead can make the change easier for them.