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How Long Should an 8 Month Old Sleep? A Parent's Guide

Discover how long an 8-month-old should sleep, including tips on sleep schedules and routines to promote healthy sleep habits.

Published September 21, 2026

Updated September 21, 2026

3 min read

Understanding Baby Sleep Patterns

As a new parent, you might be wondering, how long should an 8 month old sleep? At this age, babies are developing rapidly, and their sleep needs can change significantly. Understanding these needs is crucial for both their growth and your sanity!

Sleep Duration for an 8 Month Old

On average, an 8-month-old baby requires about 14 to 15 hours of sleep in a 24-hour period. This sleep is typically divided into nighttime sleep and daytime naps. Most babies at this age will sleep approximately 11 to 12 hours at night, with 2 to 3 hours of daytime naps, usually split into two naps.

Nighttime Sleep

At 8 months old, many babies are transitioning to a more consistent nighttime sleep pattern. Here are a few points to consider:

  • Most 8-month-olds can sleep for longer stretches at night, often from 7 PM to 6 AM or 8 AM.
  • Some babies might still wake up during the night, but many will sleep through.
  • Creating a calming bedtime routine can help signal to your baby that it’s time to sleep.

Daytime Naps

During the day, your baby will likely need two naps. Here’s how to optimize their napping schedule:

  • The first nap usually occurs in the late morning, around 9-10 AM.
  • The second nap typically happens in the early afternoon, around 1-2 PM.
  • Each nap should last anywhere from 1 to 1.5 hours, but some babies may nap longer.

Signs Your Baby is Sleep Deprived

It's important to recognize when your 8-month-old is not getting enough sleep. Here are some signs to watch for:

  • Increased fussiness or irritability
  • Difficulty falling asleep or staying asleep
  • Frequent yawning or rubbing their eyes

Tips to Promote Healthy Sleep

To ensure your baby is getting the right amount of sleep, consider these tips:

  1. Establish a bedtime routine: Consistency will help your baby understand when it’s time to sleep.
  2. Create a comfortable sleep environment: Ensure the room is dark, quiet, and at a comfortable temperature.
  3. Limit stimulating activities before bedtime: Engage in calming activities like reading or gentle rocking.

When to Consult a Pediatrician

If you have concerns about your baby’s sleep patterns or if they are consistently sleeping less than the recommended amount, it’s always a good idea to consult with your pediatrician. They can provide personalized advice and support.

Conclusion

In summary, understanding how long should an 8 month old sleep is essential for both your baby's health and your peace of mind. By providing a consistent sleep schedule, creating a calming environment, and recognizing the signs of sleep deprivation, you can help your little one develop healthy sleep habits.

Disclaimer

This article is for informational purposes only and should not be considered medical advice. Always consult with a qualified healthcare provider for concerns regarding your baby's health or sleep patterns.

This guide focuses on how long should a 8 month old sleep with practical, actionable advice.

How Long Should an 8 Month Old Sleep? A Parent's Guide