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Sleep and Bedtime··Updated: March 16, 2026

Why Your One-Year-Old Isn’t Sleeping Through the Night

Find out why your 1-year-old isn’t sleeping through the night and explore gentle, effective solutions to help your baby—and you—get better rest.

Practical steps🕒 5–8 min readEasy to follow
baby sleepone-year-old babysleep problemsnight wakingparenting tips
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One-year-old baby not sleeping at night: Causes and proven solutions for parents

If your one-year-old baby isn’t sleeping well at night, you’re not alone. Night waking at this age is a common challenge for many families, often leading to tiredness and uncertainty. The most frequent causes include teething, separation anxiety, and developmental leaps. These are natural phases, and for most children, they’re temporary.

It’s important to know that night waking in one-year-olds doesn’t usually signal a health problem. In most cases, it’s linked to your baby’s development, emotional state, or changes in their environment. Parents can take comfort in knowing that most sleep issues resolve on their own over time.

Why isn’t my one-year-old sleeping at night? 💤

Several factors can affect sleep in one-year-olds. The main keyword, "one-year-old baby not sleeping at night," is often connected to teething, separation anxiety, or developmental milestones. Each of these can disrupt your baby’s sleep patterns.

Teething

Teething can make your baby’s gums sensitive and sore, leading to night waking. It’s not just a physical challenge—teething can also be emotionally tough for little ones.

Separation anxiety

Around this age, babies start to realize that parents aren’t always nearby. This new awareness can trigger anxiety, which may cause more frequent night waking.

Developmental leaps

One-year-olds go through major developmental changes, like learning to walk, talk, and become more independent. These exciting milestones can bring uncertainty and show up as sleep disruptions.

How to recognize sleep problems in one-year-olds 🔍

The "one-year-old baby not sleeping at night" issue is usually signaled by:

  • Frequent night waking
  • Difficulty settling back to sleep
  • Restless sleep or tossing and turning
  • Morning tiredness or irritability

These signs don’t always mean there’s a serious problem, but it’s wise to keep an eye on your baby’s overall development and mood.

The biology behind sleep: What’s happening in your baby’s body?

Sleep is a cyclical process regulated by hormones and the nervous system. One-year-olds still have unstable sleep patterns, and night waking is a natural part of their development.

Melatonin, the hormone responsible for sleep, is still fluctuating at this age. Teething pain and increased brain activity during developmental leaps can both contribute to sleep disturbances.

Practical tips: What can parents do?

  • Establish a consistent bedtime routine: Calm, predictable evening rituals help your baby wind down and fall asleep.
  • Ease teething discomfort: Try chilled teething toys, gentle gum massages, or doctor-recommended pain relief.
  • Reduce separation anxiety: Soothing lullabies, parental presence, or a soft comfort toy can help your baby feel secure.
  • Support developmental leaps: Encourage active play and new experiences during the day to help your baby use up energy.

Possible risks and when to seek medical advice

While "one-year-old baby not sleeping at night" is usually harmless, some signs warrant a doctor’s visit:

  • Persistent, extreme fatigue or sleepiness
  • Weight loss or poor appetite
  • Fever or other signs of illness
  • Regression in development

If your baby’s sleep issues last for weeks or you notice any of these symptoms, reach out to your pediatrician.

Easing parental anxiety: What you should know

Night waking can make parents feel uncertain. Remember, most sleep problems are temporary and not your fault. Patience, consistency, and tuning into your baby’s needs can help you manage this phase.

Many parents worry they’re doing something wrong, but sleep disruptions are a normal part of development and usually resolve on their own.

Extra tips for calmer nights 🌙

  • Avoid overstimulation before bedtime
  • Create a quiet, dark sleep environment
  • Watch for sleep cues (rubbing eyes, yawning)
  • Don’t force sleep if your baby isn’t tired

Observing your baby and respecting their needs is key.

Emotional support: You’re not alone

The "one-year-old baby not sleeping at night" situation is common and doesn’t mean you’ve failed. Patience, loving presence, and small steps will help you get through this period. If you feel unsure, don’t hesitate to seek support—from professionals or other parents.

The Momminess app offers more helpful guides and support to navigate life with young children. Nights can be tough, but understanding and shared experiences make it easier to keep going.

Frequently Asked Questions

Is it normal for a one-year-old to wake up multiple times at night?+

Yes, frequent night waking is common at this age and is often a temporary phase.

What causes night waking in one-year-olds?+

Teething, separation anxiety, developmental leaps, or changes in routine can all contribute.

When should I see a doctor about my baby's sleep issues?+

If your baby is persistently restless, not developing well, or shows signs of extreme fatigue, consult your pediatrician.

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