Sleep Training Your 5- to 6-Month-Old

A Guide to Peaceful Nights

If you’re parenting a 5- to 6-month-old, you’ve likely noticed some big changes in your baby’s sleep patterns. Maybe your little one used to drift off easily but now fights bedtime, or perhaps those once-reliable naps have turned into a daily guessing game. At this age, babies are hitting exciting milestones—rolling over, babbling, maybe even sitting up—but these developments can also shake up their sleep. Sleep training can be a game-changer, helping your baby (and you!) get the rest you both need. In this post, we’ll dive into why sleep training matters at this stage, explore proven methods, and share practical tips to make bedtime smoother—all backed by the latest research.

Why Sleep Training at 5-6 Months Makes Sense

By 5 to 6 months, your baby’s sleep patterns are maturing. They’re starting to produce melatonin (the sleep hormone) more consistently, and their circadian rhythm—the internal clock that governs sleep and wake times—is kicking into gear. According to the American Academy of Pediatrics (AAP), this is a prime window to introduce sleep training because babies are developmentally ready to learn self-soothing skills and consolidate longer stretches of sleep.

At this age, most babies need 12-15 hours of sleep per day, including 3-4 naps and a solid 10-11 hours at night. But teething, growth spurts, or an inconsistent routine can throw things off. Sleep training helps establish healthy habits, reduces nighttime wake-ups, and gives you a predictable rhythm—crucial for your sanity and your baby’s well-being.

Common Sleep Challenges at This Age

Before jumping into solutions, let’s look at what might be disrupting your 5- to 6-month-old’s sleep:

  1. Sleep Regression: Around 6 months, many babies experience a sleep regression tied to brain development and physical milestones. This can mean more night wakings or shorter naps.
  2. Overtiredness: Skipping naps or pushing bedtime too late can overstimulate your baby, making it harder for them to settle.
  3. Dependency on Sleep Props: If your baby relies on rocking, feeding, or a pacifier to fall asleep, they may struggle to drift off without them during the night.
  4. Hunger or Discomfort: While many 5- to 6-month-olds can sleep longer stretches, some still need a night feed, especially if they’re not eating enough solids yet.

Understanding these challenges can guide you toward the right sleep training approach for your family.

Research-Backed Sleep Training Methods

Sleep training isn’t one-size-fits-all, but research shows it can significantly improve sleep for both babies and parents. A 2016 study by Gradisar et al. found that behavioral sleep interventions—like the ones below—lead to faster sleep onset and fewer night wakings without harming a baby’s emotional development. Here are some of the effective methods for 5- to 6-month-olds in very short:

  1. Ferber Method (Graduated Extinction)
    • How It Works: Put your baby down drowsy but awake. If they cry, wait a set amount of time (e.g., 3 minutes, then 5, then 7) before offering brief comfort—patting or shushing, no picking up. Gradually increase the intervals each night.
    • Why It Works: Teaches self-soothing while still providing reassurance.
  2. Chair Method (Gradual Withdrawal)
    • How It Works: Sit in a chair next to your baby’s crib as they fall asleep. Each night, move the chair farther away until you’re out of the room.
    • Why It Works: Offers a gentle transition to independent sleep with your comforting presence.
  3. Fading Method
    • How It Works: Gradually reduce your involvement in helping your baby fall asleep—cut rocking time by a few minutes each night or delay picking them up slightly longer.
    • Why It Works: Eases your baby into self-soothing at their own pace.

Practical Tips for Sleep Training Success

Ready to start? These steps will set you and your baby up for success:

  • Set a Consistent Bedtime Routine: Keep it simple—think bath, pajamas, a lullaby, and a quick cuddle. Consistency signals to your baby that sleep is coming. Research from Mindell et al. (2009) shows that a predictable routine can cut nighttime wake-ups by half.
  • Watch Wake Windows: At 5-6 months, babies can typically stay awake for 2-3 hours between naps. Timing bedtime right (around 7-8 PM) prevents overtiredness.
  • Create a Sleep-Friendly Space: Use blackout curtains, keep the room cool (20-22°C or 68-72°F), and try white noise to block disruptions. The AAP recommends a safe sleep setup: a firm mattress, no loose bedding, and baby on their back.
  • Ditch the Sleep Crutch: If your baby needs you to fall asleep, gently phase it out. For example, if they feed to sleep, move the last feeding earlier in the routine.
  • Be Patient: Progress might take a few nights—or weeks. Stick with it, and adjust as needed based on your baby’s cues.

When to Check with a Pediatrician

Sleep training is safe for most 5- to 6-month-olds, but reach out to your doctor if:

  • Your baby’s crying feels unusual or excessive (beyond typical protest crying).
  • Night wakings persist despite weeks of consistency.
  • You suspect teething, reflux, or another issue is at play.

The Payoff: Better Sleep for Everyone

Sleep training a 5- to 6-month-old isn’t just about surviving the night—it’s about building a foundation for healthy sleep habits. Studies show that well-rested babies have better mood regulation and development, while rested parents are less stressed and more present. It’s a win-win.

Sleep training can be a great step toward better rest for you and your baby, but every family is unique—you might already know what suits you best, or you may need a little guidance to find your rhythm; check out our programs or grab our Golden Rules Booklet, and we’ll be happy to help you navigate this (admittedly not easy) journey!


References

American Academy of Pediatrics. (2022). Safe Sleep Recommendations. Retrieved from https://www.aap.org

Gradisar, M., Jackson, K., Spurrier, N. J., et al. (2016). Behavioral Interventions for Infant Sleep Problems: A Randomized Controlled Trial. Pediatrics, 137(6). Link to abstract

Mindell, J. A., Telofski, L. S., Wiegand, B., & Kurtz, E. S. (2009). A Nightly Bedtime Routine: Impact on Sleep in Young Children and Maternal Mood. Sleep, 32(5), 599-606. Link to study

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