Sleeping through the night for newborns: when is it possible? A guide to sleep training

When do newborns start sleeping through the night? Key takeaways from starting at 3–6 months, sleep training methods, milestones by month, to sleep disruptors. A must-read for tired parents.

Are you wondering when your baby will finally start sleeping through the night? For all the tired parents out there, Babyfolio explains when infants typically start sleeping through the night and the essentials of sleep training.

When Babies Start Sleeping Through the Night

Most babies begin to sleep through the night between 3 and 6 months of age. Because newborns have small stomachs and need to wake every 2 to 3 hours to feed, sleeping through the night is physiologically difficult early on. From around 3 months, the intervals between night feedings lengthen, and by 6 months, an increasing number of babies sleep for more than 5 to 6 hours at a time.

Milestones by Stage

  • Newborn Stage (0-3 months): Feeding every 2–4 hours is normal. Sleeping for more than 4 hours at night is considered a very good stretch for this age.

  • 3–6 Months: Night feedings usually decrease to 1–2 times, and babies can sleep for 5–6 consecutive hours. You can begin gentle sleep training during this period.

  • 6–12 Months: Babies can sleep for 10–12 hours at night. This is when sleeping through the night becomes more stable, though teething or other variables may cause them to wake.

Points to Consider

  • Start sleep training when your baby is healthy and full. It’s best to delay it if they have just been vaccinated or are feeling unwell.

  • Help your baby distinguish between day and night with a consistent bedtime routine (bath, reading a book, lullaby).

  • When your baby cries, try waiting 5–10 minutes before picking them up to help them practice self-soothing.

Table 1: Sleep Duration by Age (Reference)

Age

Total Sleep Time

Night Sleep Time

Newborn

14–17 hours

8–9 hours (broken by 2–3 feedings)

3–6 Months

12–15 hours

9–10 hours (1–2 feedings)

6–12 Months

12–14 hours

10–12 hours (possible without feedings)

Table 2: Comparison of Sleep Training Methods

Method

Characteristics

Cautions

Ferber Method

Checking the baby after set intervals of crying

Requires parental patience; recommended after 6 months

Sleep Signal Method

Putting the baby down at the first signs of sleepiness

Can be applied from 3–4 months

Camping Out

Gradually moving further away from the crib

Provides a sense of security but takes time


Table 3: Factors Interfering with Deep Sleep

No

Factor

What to Check

1

Diaper Discomfort

Fresh diaper before bed; check for leaks

2

Temp / Humidity

Maintain 20–22°C (68–72°F) and 50–60% humidity

3

Teething

Check for swollen gums or drooling; use cold compresses

When to Consult a Professional

If your baby is older than 12 months and still wakes more than 3 times a night, or cannot sleep for more than 5 hours without a feeding, consider visiting a pediatrician or a sleep clinic. Personalized advice tailored to your baby's growth stage can be very helpful.

FAQ

  1. Q: Should I avoid waking my baby up at night to encourage sleeping through?
    A: For newborns, it is best to wake and feed them if they sleep for more than 4 hours. After 6 months, if their weight gain is normal, there is no need to wake them purposely.

  2. Q: I missed the window to start sleep training.
    A: Don't worry. You can still train your baby after 12 months. Start now with a consistent routine and positive reinforcement.

  3. Q: Is it okay to leave my baby crying without picking them up?
    A: Before 4 months, picking them up immediately is better for healthy attachment. Trial sleep training after 5 to 6 months.

  4. Q: Should I stop if my baby cries intensely during sleep training?
    A: If they cry for more than 10–15 minutes or their breathing becomes irregular, stop and comfort them. Adjusting the method to your baby's temperament is key.

Sleeping through the night typically begins between 3 and 6 months. Proceed with sleep training using a consistent routine and plenty of patience. Every baby grows at their own pace. 🌙