Do Babies Sleep More When Teething (Pediatrician Answers)

Your baby’s first year brings a lot of changes, but few things disrupt your home as much as a new tooth. With more tantrums, extra drool, and disrupted routines, many tired parents wonder whether their baby’s teething is affecting their sleep.
If your baby seems extra sleepy and you are wondering whether babies sleep more when teething, you are not alone. Here is what doctors say about how teething affects sleep, along with tips to help you get through it.
Do Babies Sleep More When Teething?
Most babies do not sleep more when teething. The pain typically makes resting harder.
However, parents often notice unusually long daytime naps due to three secondary factors:
Sleep Debt
If gum pain kept them awake at night, they nap longer during the day to catch up. Keep naps under 2 hours to protect night sleep.
Growth Spurts
Teething coincides with major 6-to-9-month physical and neurological leaps, which demand extra rest for brain development.
Immune Stress
The biological effort of erupting a tooth causes a mild temperature elevation (not a fever), resulting in temporary lethargy.
Medical Boundary: If your baby is sleeping heavily and is very hard to wake, extremely lethargic, or has a fever over 100.4°F (38°C), call your pediatrician immediately. These are signs of illness, not teething.
Teething vs. Sleep Regression
One of the trickiest parts for parents is that the first tooth often comes in between 4 and 6 months, which is also when the 4-month sleep regression happens. Since both can cause poor sleep, it is easy to mix them up.
Here is the easiest way to tell the difference: Look at the timing of the wake-ups.
During a sleep regression, a baby’s brain is changing to more adult-like sleep cycles. They usually wake up crying at the end of each cycle, about every 45 to 60 minutes.
Teething pain is less predictable. A teething baby might wake up crying after just 10 minutes, or sleep for three hours before waking suddenly.
Sleep Regression
Neurological & Brain Development
- Wake-Up TimingPredictable. Wakes up crying at the exact end of a sleep cycle (every 45 to 60 minutes).
- The Root CausePermanent shifts in the brain to more adult-like sleep stages.
- Required ActionPatience and maintaining consistent sleep boundaries.
Teething Pain
Physical Discomfort & Inflammation
- Wake-Up TimingErratic. Might wake up screaming after 10 minutes, or sleep smoothly for 3 hours.
- The Root CauseShort-term, acute pain from a tooth breaking through the gum line.
- Required ActionActive pain relief, physical comfort, and gentle remedies.
Core Diagnostic: A sleep regression is a lasting change in your baby’s brain requiring consistency, while teething is a temporary physical pain that requires immediate relief.
How Long Does Teething Pain Actually Last?
Parents often blame any bad mood over several months on teething, but the real pain from teething is actually short-lived.
A major study in the journal Pediatrics found that teething pain typically occurs within a clear 8-day window. Pain and fussiness start 4 days before the tooth breaks through the gum, peak on the day it breaks through, and fade over the next 3 days.
Clinical Timeline: The 8-Day Teething Window
Based on pediatric studies tracking infant tooth eruption symptoms.
The Build-Up
Gum inflammation begins. Fussiness and drooling steadily increase as the tooth pushes upward.
Eruption Day
Peak pain. The tooth physically breaks the skin of the gum. Sleep disruptions are most severe.
The Cool Down
The pain rapidly fades over 72 hours. Your baby’s mood and sleep patterns return to normal.
After the 8th day, the pain usually goes away until the next tooth starts coming in. If your baby is very irritable for weeks and no tooth appears, there may be another cause.
When Do Babies Get Teeth?
A baby’s 20 primary teeth are already in their jaw at birth. These teeth usually start to come in around 6 months old.
According to the American Academy of Pediatrics (AAP), a standard timeline looks like this:
- 6 to 10 months: Lower central incisors (the bottom two middle teeth)
- 8 to 12 months: Upper central incisors (the top two middle teeth)
- 9 to 16 months: Lateral incisors (the teeth right next to the middle ones)
- 13 to 19 months: First molars (the larger, flat teeth toward the back)
- 16 to 23 months: Canines (the pointed teeth next to the incisors)
Real Symptoms of Babies Teething (& When to See a Doctor)
Because teething happens around the same time babies lose their mothers’ immunity, parents often mistake teething for viral illnesses. But teething does not make babies sick.
Look for these hallmark symptoms:
- Swollen, inflamed, or bulging gums (sometimes with a small white blister).
- Gnawing and biting on solid objects to relieve gum pressure.
- Decreased appetite for warm foods or nursing, as the suction and heat irritate sore gums.
The Ear Pulling Warning: Teething or Infection?
Babies often pull or rub their ears when teething because jaw pain can spread to the ear.
However, before assuming it is just a new tooth, parents must rule out an infection and understand the medical dangers of certain over-the-counter teething products.
If ear pulling is accompanied by a fever over 100.4°F (38°C), fluid drainage, or inconsolable crying when lying flat, it is highly likely an ear infection. Contact your pediatrician.
3 Best Tips to Soothe a Teething Baby at Night
When gum pain keeps your baby awake, you need safe and practical solutions.
The FDA warns against using homeopathic teething tablets and numbing gels with benzocaine, as they can be very dangerous for babies and may cause serious health problems like methemoglobinemia, which lowers oxygen in the blood.
Instead of using risky gels, rely on these proven, pediatrician-approved remedies:
Apply Firm, Cold Pressure
Cold helps reduce swelling. Give your baby a chilled (not frozen) rubber teething ring, or let them chew on a wet washcloth that has been in the freezer for about 30 minutes.
Manual Gum Massage
Wash your hands and use your finger to gently but firmly massage your baby’s sore gums. The counter-pressure can help drastically soothe the pain from a new tooth.
Protect the Sleep Routine
Avoid starting new habits that could become hard to break. Give extra comfort, but try not to start rocking your baby to sleep every night if they were already sleeping on their own.
Pain Relief: Can You Alternate Tylenol and Ibuprofen?
If natural remedies fail, consult your pediatrician about over-the-counter pain relievers. Acetaminophen (infant Tylenol) is generally safe for babies over 2 months, while Ibuprofen (infant Advil/Motrin) is approved for babies 6 months and older.
Ibuprofen is an NSAID that helps reduce swelling and is often very effective for teething pain. If the pain is severe, some doctors suggest alternating Tylenol and Ibuprofen every 3 to 4 hours, since different organs process them and do not interact.
Always write down the doses and only do this if your doctor says it is safe.
How to Protect Your Baby’s New Teeth
Once your baby’s first tooth comes in, start making oral care part of your daily routine. Tooth decay is the most common long-term childhood disease, but it can be prevented.
Daily Infant Oral Care Protocol
Brush Twice Daily
The exact moment the first tooth appears, begin brushing in the morning and at night to establish the routine.
Use the Right Toothpaste
Dentists now recommend using a tiny amount of fluoride toothpaste (about the size of a grain of rice) as soon as the first tooth breaks the skin.
Never Bottle-Feed in Bed
Letting milk or formula stay around new teeth overnight feeds bacteria that cause serious cavities, clinically referred to as “bottle rot.”
The Bottom Line on Teething and Sleep
You might find yourself searching online if babies sleep more when teething after a particularly long afternoon nap, but remember, teething usually makes sleep harder.
If your baby sleeps more during the day, they are just catching up after a rough night. Stick to your routines, use safe cold remedies, watch for the 8-day teething window, and remember this stage will pass.
Soon, you and your baby will be sleeping well again.
Frequently Asked Questions
Can teething cause a baby to sleep all day?
No. While a teething baby might take slightly longer naps to recover from overnight sleep debt, sleeping all day is not a normal symptom of teething. Extreme lethargy or sleeping continuously is a sign of illness and requires immediate evaluation by a pediatrician.
Do teething babies sleep more during the day but less at night?
Yes, this is the most common pattern. The sharp pain of a tooth erupting often disrupts nighttime sleep cycles. To compensate for this exhaustion, your baby may take heavier naps during the day. Experts recommend capping daytime naps at two hours to protect their nighttime sleep drive.
Does teething make babies sleepy or just tired?
Teething makes babies exhausted, not naturally sleepy. The physical discomfort, mild immune response, and excessive crying consume a massive amount of physical energy. They are tired from enduring the pain, not because teething inherently produces sleep-inducing hormones.
Sources & Evidence
- Symptoms Associated With Infant Teething: A Prospective Study. Macknin ML, Piedmonte M, Jacobs J, Skibinski C. Pediatrics. (2000).
- FDA Drug Safety Communication: FDA warns about serious risks and death when benzocaine is used for teething pain. (May 23, 2018).
- FDA warns against homeopathic teething tablets and gels. AAP News.
- Prescribing Controversies: An Updated Review and Meta-Analysis on Combined/Alternating Use of Ibuprofen and Paracetamol in Febrile Children. Wong T, et al. Frontiers in Pediatrics. (2019).
- Tooth Eruption Charts. American Academy of Pediatric Dentistry / American Dental Association.
Editorial Disclaimer: This content is strictly for informational and educational purposes. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your pediatrician, physician, or other qualified health provider with any questions you may have regarding a medical condition.










