Night terrors in toddlers are frightening to witness but almost always harmless, and most children outgrow them without any treatment. Between 1% and 6.5% of children experience them, with one study finding peak prevalence as early as 18 months of age. The good news: there are practical steps you can take to reduce how often they happen and a specific technique that can stop recurring episodes entirely.
Night Terrors vs. Nightmares
Before trying to fix the problem, make sure you’re dealing with actual night terrors and not nightmares. They look very different and happen at different times of night.
Night terrors occur during the first half of the night, during deep non-REM sleep. Your toddler may scream, thrash, sweat, and appear terrified with a racing heart, but they are not actually awake. They won’t recognize you, they’ll be nearly impossible to comfort, and they will have zero memory of the episode the next morning. Most children fall right back into quiet sleep afterward because they were never truly awake to begin with.
Nightmares, by contrast, happen in the early morning hours during REM sleep. A child wakes up from a nightmare, can describe what scared them (at least vaguely, for a toddler), and needs comfort before falling back asleep. If your child wakes up crying, recognizes you immediately, and wants to be held, that’s a nightmare, not a night terror.
What to Do During an Episode
The single most important thing: do not try to wake your child. Attempting to shake them awake during a night terror typically makes the episode longer and more intense. Your child is in a state between deep sleep and waking, and forcing them out of it causes confusion and distress for both of you.
Instead, stay calm and stay close. Make sure your toddler can’t hurt themselves by rolling off the bed or hitting something hard. If they try to climb out of the crib or bed, gently guide them back without restraining them forcefully. Within a few minutes, the episode will pass on its own, and your child will settle back into peaceful sleep. They won’t remember it happened. The emotional toll falls entirely on you, not on them.
Common Triggers to Address First
Night terrors have a strong genetic component. If you or your partner has a history of night terrors or sleepwalking, your toddler is more likely to experience them. You can’t change genetics, but you can control the environmental triggers that make episodes more frequent.
The biggest one is sleep deprivation. A toddler who misses naps, goes to bed too late, or has an inconsistent sleep schedule is significantly more likely to have night terrors. Overtiredness disrupts the normal transitions between sleep stages, and that’s exactly where night terrors originate. Prioritizing a consistent bedtime and protecting daytime naps is often enough to dramatically reduce episodes.
Other known triggers include:
- Fever or illness: Even a mild cold can increase the likelihood of an episode.
- Schedule disruptions: Travel, time zone changes, or a new sleeping environment.
- Sleep interruptions: Noise, light, or anything else that fragments your toddler’s sleep.
If episodes tend to cluster around specific disruptions, you’ve likely found your trigger. Addressing it directly is the fastest path to fewer night terrors.
The Scheduled Awakening Technique
If night terrors happen frequently and at roughly the same time each night, a method called anticipatory awakening can break the cycle. It works by briefly interrupting the deep sleep stage just before the terror would start, resetting the sleep cycle so the problematic transition never occurs.
Start by tracking your toddler’s sleep for about two weeks. Write down bedtime, the time each night terror begins, and how long it lasts. You’re looking for a consistent pattern. If episodes tend to happen around the same time (say, 90 minutes after falling asleep), you have what you need.
Fifteen to 30 minutes before the terror would typically start, gently rouse your toddler. You don’t need to fully wake them. A light touch, a quiet word, or slightly shifting their position is enough. You want to see a brief sign of awareness: a movement, a mumble, a shift in breathing. Then let them drift back to sleep immediately.
Do this consistently every night for two to four weeks. Many families see a noticeable improvement within that window. One important caveat: if your toddler’s episodes don’t follow a predictable schedule, this technique won’t work well. Skip it and focus on the trigger-reduction strategies instead. And if an episode starts earlier or later than expected on a given night, don’t try to wake them mid-terror. Just adjust your timing the following night.
Building a Sleep Routine That Helps
A predictable, calming bedtime routine does more than just make bedtime easier. It helps your toddler’s brain transition smoothly through sleep stages, which is exactly the process that goes wrong during a night terror. Aim for the same sequence every night: bath, pajamas, book, lights out. Keep the routine to about 20 to 30 minutes so it signals sleep without dragging on.
Make sure the sleep environment is dark, cool, and quiet. White noise machines can help mask household sounds that might partially rouse your toddler during deep sleep. And keep bedtime consistent, even on weekends. Shifting bedtime by even 30 to 45 minutes can be enough to destabilize sleep patterns in a toddler who’s prone to night terrors.
Adequate total sleep matters too. Most toddlers between 1 and 3 years old need 11 to 14 hours of sleep per day, including naps. If your toddler is consistently getting less than that, the resulting sleep pressure increases the odds of a night terror on any given night.
When Night Terrors Signal Something Else
In most toddlers, night terrors are a harmless quirk of brain development. But frequent episodes sometimes coexist with other sleep disorders, particularly obstructive sleep apnea. One study found that nearly half of children with parasomnias like night terrors also snored, and more than a third had breathing pauses during sleep. When those children received treatment for their breathing issues, their night terrors improved as well.
Pay attention to how your toddler breathes during sleep on normal nights (not during a terror episode). Loud, habitual snoring, gasping, mouth breathing, or pauses in breathing are all signs worth bringing to your pediatrician. Enlarged tonsils and adenoids are a common cause in this age group and are very treatable.
You should also mention night terrors to your pediatrician if episodes happen multiple times per night, if they last longer than 30 minutes, if your child does something dangerous during episodes like leaving the room, or if they persist well beyond age 6. These situations are uncommon, but they warrant a closer look.
The Long-Term Outlook
Night terrors are a developmental phase, not a permanent condition. Most children outgrow them as their nervous system matures and their brain becomes better at managing transitions between deep sleep and lighter sleep stages. The peak period runs through the preschool and early school years, with the vast majority of children completely free of episodes by adolescence. Your toddler won’t remember these episodes, won’t be psychologically affected by them, and in all likelihood will simply stop having them one day without any intervention at all.