Teething or Not? A Night-Waking Checklist for Restoring Baby Sleep

When a baby who used to sleep well suddenly starts waking and fussing every night, those early-morning hours spent pacing with your little one can feel especially long. After a few nights you start to wonder, "Could this be teething?" and then your mind fills with other questions too, like whether they are hungry or coming down with something.

Night waking rarely has just one cause. It could be teething, but it could also be hunger or habit, a sudden sleep regression, a small discomfort like a wet diaper or a warm room, or a health issue worth keeping an eye on. What matters is getting a sense of which of these your baby's night waking is closest to, because a different cause calls for a different response.

In this article we will lay out the signs that help you tell whether night waking is teething, share a checklist for restoring the sleeping-through-the-night that teething disrupts, and point out the warning signs you should not brush off as "just teething." The specific ways to soothe your baby at night, and the things to avoid, are covered in detail in the companion articles linked below.

Table of contents

• When and why does teething disturb night sleep?
• Is this night waking teething?
• How many days does teething-related night waking last?
• How do you restore disrupted sleep?
• When it is not teething and needs a doctor
• The basics of soothing safely at night
• Frequently asked questions
• To sum up

When and why does teething disturb night sleep?

Teething refers to the discomfort around the time a tooth pushes through the gum. It usually appears between 6 and 24 months of age. Each tooth coming in tends to make a baby more sensitive for about 3 to 7 days. Not every tooth is hard on every baby, but some babies wake especially often at night when the molars are coming through.

There is a reason babies tend to fuss more at night than during the day. In the daytime, play and new stimulation pull their attention away, but in the quiet, unoccupied hours of night, the itching and discomfort in the gums feel more intense. So a baby who played happily all day but wakes and whimpers only at night is a common pattern during teething.

Typical signs of teething include swollen or reddened gums, more drool than usual, and constantly putting hands or objects in the mouth to chew. A slight low-grade fever can appear as well. That said, having these signs does not mean every instance of night waking is due to teething. Other causes may be overlapping.

Is this night waking teething?

Whether night waking is teething can often be gauged by looking at "when and how the baby wakes." Teething tends to come with reaching for the gums and increased drool, with the baby bringing hands to the mouth often during the day too, whereas hunger or a habitual waking differs in the timing of waking and the way the baby feeds. Let's compare them side by side in the table below.

Type	Signs at night	What to check
Teething	Gums are swollen and red, drool increases, and the baby keeps chewing on hands and objects. A slight low-grade fever may be present	Check whether the baby often puts hands in the mouth during the day, and whether the gums are especially tender when touched
Hunger	Crying gradually grows stronger, the baby feeds actively and for a long time, and sleeps for a long stretch afterward	Recall the time of the last feeding and how much the baby ate during the day
Habitual waking	Wakes at about the same time, feeds a little and falls asleep, then wakes again an hour or two later	See whether the waking time is regular each day and whether the baby settles back quickly when soothed
Sleep regression	Suddenly wakes often for no particular reason. Common around 4 months and 8 to 10 months	Look at whether it is a stage when milestones like rolling over or crawling are also appearing
Discomfort	Squirms when the diaper is wet, the room is too hot or cold, or there is gas in the tummy	First check the diaper, room temperature and humidity, and whether the baby has burped
Illness	A high fever of 39°C or above, diarrhea or vomiting, a rash, or unusually intense fussing	Do not brush it off as teething; check the baby's condition and consider seeing a doctor

As the table shows, teething is characterized by "signs clustered around the mouth." When drool, chewing, and changes in the gums appear together, it leans toward teething. Conversely, if the waking time repeats at exactly the same moment every day, or the baby feeds hungrily for a long time when offered, it is natural to think of habit or hunger before teething.

One thing that easily overlaps is sleep regression. Around 4 months or 8 to 10 months can overlap with teething, so it can be hard to tell whether it is teething or a developmental regression. The two can arrive at the same time, so if the gum signs are not clear, keep the developmental stage in mind as well. If the fever comes and goes or cold symptoms overlap and teething is hard to distinguish, how to tell teething fever from a cold or high fever may help.

How many days does teething-related night waking last?

Teething-related night waking often continues for the few days it takes that tooth to push through the gum, then tends to ease off. If you figure about 3 to 7 days per tooth, the period of disrupted night sleep is often around the same range. Once the tooth breaks through and shows its face, the discomfort lessens and night waking gradually settles.

Of course it varies from baby to baby. Some babies are sensitive for just a day or two and move on, while when a large tooth like a molar comes in, some have a slightly harder time for a bit longer. Use a few days as your baseline, but if it lasts longer than that, or other symptoms like fever or diarrhea overlap, it may be a sign that teething alone cannot explain, so it is a good idea to look at the baby's condition again.

The part parents worry about most here is "what if this makes sleeping through the night collapse entirely?" Fortunately, night waking during teething is often a temporary wobble, and once the discomfort passes it usually returns to the original rhythm. That said, how you respond during these few days can make recovery smooth or harden into a new habit. We will continue that in the next section.

How do you restore disrupted sleep?

The key is to keep daytime naps and the bedtime routine as unchanged as possible during the few days of teething. Because your baby is having a hard time, if you add night feedings you normally would not, or use a new method like holding to sleep or a car ride every day, that method can linger as a habit the baby needs in order to fall asleep even after the discomfort passes. Soothe the discomfort, but do not greatly change the way the baby falls asleep itself; that is the key to recovery.

When the baby wakes at night, rather than stepping in heavily right away, it is also an option to watch briefly and give room to fall back asleep on their own. If the baby keeps fussing, pat gently and reassure in a low voice, then check the sources of discomfort one by one. Going through the items below in order makes it less confusing.

Teething-period sleep recovery checklist

• Did you keep nap times and the night bedtime close to usual?
• Did you keep the pre-sleep routine (bath, feeding, book, lights out, in order) the same?
• When the baby woke at night, did you watch briefly rather than picking them up right away?
• Have you avoided turning a new night feeding into a habit?
• Did you first check sources of discomfort like the diaper, room temperature and humidity, and clothing?
• Did you give enough chances to soothe the gums during the day (a cold teether, for example)?
• When soothing, did you stay consistent with one or two methods rather than a different one each day?
• After the discomfort passed, is the baby returning naturally to the original way of falling asleep?

Sleep disrupted by teething usually finds its place again after a few days. If night waking continues even after the discomfort has settled, you may need to consider that it has shifted from teething to habitual waking. The flow of reducing night feedings and rebuilding the sleep habit is covered separately in building sleep habits and reducing night feedings, so take a look.

When it is not teething and needs a doctor

Teething may come with a low-grade fever, but it is hard to see it as the cause of a high fever of 39°C or above. So when a high fever or other clear symptoms appear together, rather than brushing it off as "it must be teething," it is safer to check whether there is another cause and consider seeing a doctor. If you notice any of the signs below, consult your pediatrician.

See a doctor in these cases

• A high fever of 39°C or above, or a fever that lasts more than 3 days
• Repeated diarrhea or vomiting
• A rash appearing on the body
• Refusing feeds or water, and signs of dehydration such as reduced urine or a dry mouth
• Unusually limp and listless, or fussing intensely no matter how you soothe

The discomfort of teething tends to stay around the gums, but the signs above often indicate an infection or another condition. In particular, remembering that a fever is more likely a separate cause than a symptom of teething makes the judgment much easier. When in doubt, consulting rather than just watching is easier on your mind, too.

The basics of soothing safely at night

There is a principle you must keep when soothing a baby at night. Always lay your baby on their back on a flat surface to sleep. Raising the upper body or laying the baby on an incline to ease a stuffy nose or fussing is not recommended. A tilted position can actually undermine safe sleep. When you want to ease discomfort, rather than tilting the position, it is safer to soothe the gums during the day and check the baby's condition before sleep.

The specific ways to ease things at night, the things not to do, and safe sleep positions are covered in detail in relieving nighttime teething and safe sleep. If you are curious about how to use a cold teether or which methods to avoid, read on.

Frequently asked questions

How high can a fever go with teething?

Teething is considered to sometimes come with a low-grade fever, but a high fever of 39°C or above is hard to explain by teething alone. If there is a high fever, it is good to look at other causes as well and consider seeing a doctor.

Do babies have a harder time at night when molars come in?

Some babies become especially sensitive and wake often at night when a large tooth like a molar comes in. That said, it varies from baby to baby, so not every baby is like that.

Since the baby is struggling, is it okay to add night feedings?

Soothing when uncomfortable is necessary, but if you add night feedings you normally do not for days on end, it easily lingers as a habit even after teething passes. Soothe with a bit of patting or reassurance, and try to keep the way the baby falls asleep as unchanged as possible.

When does teething-related night waking end?

It usually continues for the few days it takes that tooth to push through the gum, then tends to ease off. Figure about 3 to 7 days per tooth. If it lasts longer than that or other symptoms overlap, look at the baby's condition again.

To sum up

When you wonder whether night waking is teething, start by looking at the signs around the mouth. If drool increases, the baby keeps chewing on hands or objects, and the gums are swollen and red, it leans toward teething. Conversely, if the baby wakes at the same time every day or feeds for a long time when offered, think of habit or hunger first.

Teething-related night waking is usually a temporary wobble that passes in a few days. If you keep daytime naps and the bedtime routine during those few days and reduce over-intervening, sleeping through the night mostly returns to its original rhythm. However, if you see a high fever of 39°C or above, diarrhea, vomiting, a rash, dehydration, or unusual listlessness, do not brush it off as teething; consult your pediatrician. This time you spend pacing with your baby each dawn will pass too, as the teeth settle in one by one.