Understanding Wake Windows
- Miao Ling Koh
- Apr 4
- 1 min read
Understanding Wake Windows: The Key to Better Sleep for Your Baby
As a parent, one of the most important things to learn about your baby’s sleep is the concept of wake windows. These are the periods of time your baby can stay awake between naps without becoming overtired. Understanding wake windows is crucial for ensuring your baby gets the right amount of sleep they need to stay happy and healthy.

For newborns, wake windows are short—around 45 minutes to an hour. As your baby grows, these windows gradually lengthen. By 4-6 months, most babies can stay awake for about 2 hours, and by the time they reach toddlerhood, their wake windows can extend to 4-5 hours.
If your baby is kept awake too long, they may become overtired, which can lead to difficulty falling asleep or waking up more often during naps or at night. On the flip side, if they’re put down for a nap too early, they may not settle easily.
The key is to find that sweet spot where your baby is neither too tired nor not tired enough. Pay attention to their sleepy cues—yawning, rubbing eyes, or becoming fussy—and aim for that ideal wake window time. With a bit of practice and observation, you’ll be able to find the perfect balance for your baby, leading to better naps and better nighttime sleep.
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