3-Year-Old Sleep Regression: Causes And Tips To Manage It

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3 Year Old Sleep Regression Causes And Tips To Manage It

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Toddlers and preschoolers learn and develop at a swift pace. At times, learning so many new things may hyperstimulate their senses and lead to sleep regressions. Sleep regressions are periods of a few weeks where a child who generally sleeps well shows a sudden change in sleeping patterns. They might begin to wake up more often during the night or day or be very cranky when they wake up (1).

Sleep regressions are not uncommon, and parents may encounter them multiple times since infanthood. The American Academy of Pediatrics states that about 20 to 50 percent of children are affected by sleep conditions, such as sleep regressions (2).

After encountering the common sleep regressions at the ages of four months, six months, 12 months, 18 months, and two years, facing another regression at 36 months might be difficult as most children have a well-established routine by then. However, this is a temporary change. This post will tell you all about what to expect with a three-year-old’s sleep regression.

How Long Does The Three-Year Sleep Regression Last?

Like any other sleep regression, the three-year-old’s sleep regression lasts for a few weeks (3). If the underlying cause of the regression can be identified, the regression might end sooner by addressing the issue. However, in most cases, the cause of regression is not known. A little patience is needed to go through this phase.

What Causes The Three-Year Sleep Regression?

While the causes for three-year-old’s sleep regression are not always known, some factors are believed to lead to it.

1. Developmental milestones

Three-year-olds develop several social, motor, and language skills. All these changes and developments may overwhelm the child, causing temporary disruptions in their sleep pattern. Physical changes and developmental milestones may also be the reasons for sleep regressions.

Three-year-olds learn to climb, run, walk, and cycle. They also begin to experience a wide range of emotions and may exhibit emotional development attributes, such as concern for a crying friend and showing affection. The developed emotional intelligence makes the toddler more prone to becoming upset, leading to sleep regression (4).

2. Fears, phobias, and nightmares

Three-year-olds begin to develop a vivid imagination, and the newly developed imagination brings many fears as well. Nightmares are very common in children between the ages of three and six years (5). Although most children outgrow them, this fear might bring sleep regressions.

3. Environmental changes

Many children move to their toddler bed from their crib at around three years of age (6) (7). Many children also begin to go to nursery school or daycare at about three years of age. These changes in their surroundings might make them seek more attention at home, and they might begin to exhibit signs of sleep regression.

4. Changes to their nap schedule

Some children begin to drop their naps once they are three years old (2). They are very active at this age, and they don’t want to miss any fun by napping. This may make them overtired by the end of the day. If they go to bed very tired, they remain hyperstimulated and won’t be able to get enough sleep.

Tips To Manage Sleep Regression In A Three-Year-Old

The following tips may make it a little easier for parents to go through this phase (6).

  • Establish a bedtime routine. Follow the routine and the timings as much as possible.
  • Keep the bedroom ambiance cool, calm, dark, and comfortable.
  • Turn off the bright lights 30-60 minutes before bedtime. Bathing or reading them bedtime stories may also help transition them to a calmer state of mind before laying them on the bed.
  • Set a limit to the number of books you will read to them or the number of songs you will sing.
  • Ensure the bedroom is free of any screen time and strictly use it as a place to sleep.
  • Limit snacks and drinks before bed to minimize bathroom breaks at night.
  • Support your child and be gentle while explaining to them the importance of following the bedtime routine.
  • If you feel that the child is unable to sleep due to fear, get a night light to keep the room dimly lit. Talk to them. Try to find out if something is bothering them emotionally.
  • If the toddler seems to have separation anxiety, check in on them briefly during nap time and night sleep.
  • If the bedtime sleep struggles are at a peak already, do not keep on discussing it all day as it may increase their bedtime anxiety and make the toddler resist sleep more.

It is common for parents to get tired and get dependent on coping techniques, such as co-sleeping or holding the child while sleeping. The American Academy of Pediatrics does not recommend these for the safety of the child (3). Remember that it is a phase, and the toddler will soon return to the usual sleeping patterns.

When To See A Doctor?

Most sleep regressions pass within three to four weeks without the need for medical intervention. However, you may contact a healthcare provider if your toddler displays any of the following conditions.

  • Snoring, unusual noises, or pauses in breathing while asleep
  • Excess sleepiness during the day
  • Toddler displays changes in behavior during waking hours
  • Frequent sleep disturbances due to nightmares
  • Sleep regression persists for more than four weeks

Frequently Asked Questions

1. Do all children undergo a sleep regression at three years?

No. it is not necessary for all children to undergo sleep regressions at three years. Moreover, it is also possible for this regression to occur a couple of months before or after the three-year mark.

2. How much sleep do three-year-olds need?

Three-year-olds need about 10 to 13 hours of sleep in 24 hours, including daytime naps. However, many three-year-olds begin to drop off the naps. Try and make it a habit for them to take at least one hour of quiet time in the afternoon if they don’t want to sleep. It will help them relax and calm down (6).

Three-year-old sleep regressions are like the other sleep regressions you might have already faced. A little patience can help you sail through the rough patch smoothly. Contact your child’s pediatrician if you notice something very unusual.


MomJunction’s health articles are written after analyzing various scientific reports and assertions from expert authors and institutions. Our references (citations) consist of resources established by authorities in their respective fields. You can learn more about the authenticity of the information we present in our editorial policy.

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