Teething and Sleep Regression in Toddlers | Causes & Tips for Parents

Sleep disruptions are part of the parenting journey—but when teething pain and sleep regression hit at the same time, things can get really rough. Your toddler might suddenly start waking up multiple times a night, crying more than usual, and fighting naps like never before. It’s exhausting—for both of you.

But don’t worry. You’re not alone, and this stage will pass. Here’s all you need to know about how teething and sleep regression impact toddlers—and what you can do to help.

What Is Teething and Why Does It Disrupt Sleep?

Teething is the way that your child’s teeth move through the gums. It tends to start when they are 6 months, but toddlers continue to be teething well into their second, or even third, year—particularly when molars come along.

Why Teething Disrupts Sleep:

• The pressure and discomfort in the gums can feel extreme, particularly at night when your toddler is reclining and has fewer distractions.
• Teething may result in a low-grade rise in temperature, irritability, and over-drooling, which may prompt your baby to wake up more frequently or have difficulty settling.
• Some children also suffer from puffy gums, chewing on objects, and even refusing food because it hurts.
• Teething not only results in body pain—it also causes emotional upset. Toddlers may be more clingy, may cry more, and may have difficulty self-calming at night.

What Is Sleep Regression in Toddlers?

Sleep regression is a period when a toddler who has been sleeping well will suddenly begin waking up frequently, refusing to nap, or having trouble falling asleep. It can last anywhere from a few days to several weeks, depending on your child’s temperament and what else is happening developmentally.

What Triggers a Sleep Regression?

• Learning new skills (walking, talking, climbing) can overstimulate their brains.
• Separation anxiety—typical at 12-18 months—causes them to want to be near you.
• Routine changes, sickness, or even excitement over their environment can interfere with sleep.
• Your toddler at 12 months might be moving from two naps to one—this can lead to overtiredness and fussy bedtimes.

The Overlap: When Teething and Sleep Regression Hit Together

Here’s the tricky part—teething and sleep regressions often happen at the same time. For example, around 12 months, your toddler could be:

• Cutting painful molars
• Experiencing a developmental leap
• Showing signs of separation anxiety
• Transitioning to a new nap schedule

This double whammy can seriously mess with their sleep—and yours.

Common Signs You’re Dealing with Both:

• Your toddler wakes crying and is difficult to settle.
• They want to nurse or cuddle more than usual at night.
• They chew on their fingers or teething toys more frequently.
• Nap resistance or waking up after just 30–45 minutes.
• Additional fussiness during the day and night.

If you wish to learn the signs of baby teething in your 3-month old, you should go ahead and read this well-written blog by Babymore.

How to Help Your Toddler Handle Teething and Sleep Regression

It may seem like a tempest, but there are steps to ease it:

1. Alleviate Teething Pain

• Provide them with a cold teether or frozen spoon to chew on.
• Use a clean, cold washcloth for soothing chewing.
• Gently rub their gums with a clean finger.
• Gently speak with your doctor regarding pain relief such as infant paracetamol or ibuprofen, ideally before bed.

2. Adhere to a Consistent Bedtime Routine

Routines provide toddlers with reassurance. Adhere to a calming, familiar bedtime routine such as:

1. Warm bath
2. Cuddles
3. Storytime
4. White noise
5. Dim lights

This routine communicates: it’s time to sleep.

3. Provide Comfort—But Enforce Boundaries

It’s fine to provide additional comfort, particularly if your child is teething or anxious. Just don’t create habits you’ll want to stop later, such as rocking them to sleep every night or letting them have irregular bedtimes.

4. Maintain Nap and Sleep Routines Regular

Even if they protest naps, continue to offer them. An overtired toddler will have an even more difficult time sleeping. If your toddler is changing from two naps a day to one, expect some ripples. Be flexible but consistent.

5. Practice Good Sleep Hygiene

• Utilize blackout curtains to keep out morning light.
• Maintain white noise going on if they’re light sleepers.
• Don’t include screen time an hour prior to bedtime.
• Ensure that their room is at a comfortable level of heat.

When to Speak with Your Paediatrician

Although teething and sleep regressions are common, it is necessary to exclude other reasons for pain or illness. Phone your physician if:

• Your child over 100.4°F (38°C) fever
• Is showing signs of ear infection (ears pulling, ongoing crying)
• Has diarrhoea, vomiting, or rash
• Is not eating or drinking for more than 24 hours
• Appears to be extremely lethargic or difficult to console

These aren’t the usual signs of teething and may indicate something more is brewing.

Last Thoughts: This Too Shall Pass

Sleep regressions and teething can transform even the most serene nights into sleepless bedlam—but temporary, it will be. Your toddler is learning, growing, and developing at a lightning pace. Their small bodies and minds are achieving great things—and sleep must suffer temporarily as a result.

But with a bit of patience, lots of cuddles, and a regular routine, things will settle down. You’re doing a fantastic job—and before long, both you and your toddler will be sleeping peacefully again.