Sleep regressions explained: why good sleepers suddenly wake

Just as you started to feel human again, it happened. Your baby, who had been managing longer stretches, began waking every hour or two, fighting naps and needing far more help to settle. Friends nod knowingly: sleep regression. Here are honest answers to the questions tired parents ask most.

What is a sleep regression?

Sleep regression is not a medical term. It is a popular name for a spell when a baby who was sleeping better starts waking more often or finding it harder to settle. Despite the name, it usually is not a step backwards. It often happens when your baby's brain and body are taking a step forwards.

When do they happen?

They can happen at any time, but parents often notice them:

• Around 3 to 4 months, when sleep patterns mature and become more like an older child's, with lighter phases between sleep cycles. Babies who wake fully between cycles may need help to drift off again.
• Around 8 to 10 months, when many babies are learning to crawl, pull up and stand, and when separation anxiety often appears. Your baby now understands that you still exist when you leave the room, and may protest.
• Around the first birthday, with walking, first words and changes to daytime naps.

Teething, illness, travel, starting nursery or a growth spurt can all cause similar patches.

How long will it last?

Many regressions ease within a few weeks, although every baby is different. A steady routine and calm responses can help it pass more smoothly. If sleep has been very disrupted for a long time, or it is affecting your health, talk to your health visitor.

What actually helps?

• Keep the bedtime routine steady. Familiar steps are reassuring when everything else feels new.
• Let them practise new skills in the day. Plenty of floor time to roll, crawl or pull up can mean less urge to practise in the cot at night.
• Look at naps. Too little or too much daytime sleep can affect nights. Your health visitor can help you think about what suits your baby's age.
• Check for hunger. Growing babies may genuinely need an extra feed for a while.
• Offer calm comfort. Responding to your baby is never wrong. A hand on the tummy, a few soft words or a quick cuddle can be enough.
• Help with separation anxiety. Play peekaboo in the day, say a cheerful goodbye and hello when you leave a room, and use the same short goodnight words.
• Share the load. If you have a partner or supportive family, take turns.

Are there safety changes as my baby grows?

Yes. As your baby becomes more mobile:

• Keep laying them on their back, even if they now roll in their sleep.
• Stop swaddling once they show signs of rolling.
• Remove any cot mobile once your baby can push up on hands and knees.
• Lower the cot mattress base when your baby can sit or pull up, so they cannot climb or fall out.
• Keep the cot clear: no pillows, duvets, bumpers or soft toys.

When is it more than a regression?

Talk to your doctor or health visitor if your baby:

• Snores loudly, pauses in breathing or struggles to breathe while asleep.
• Seems to be in pain, pulls at their ears with a fever, or cries in an unusual way.
• Is feeding poorly or not gaining weight.
• Has a fever or a rash, or seems unwell.

And talk to someone about yourself if you feel low, hopeless or so exhausted that you cannot function. Severe sleep loss is hard on anyone, and asking for help is wise, not weak.

Is there any hope in the middle of it?

Yes. The writer of Lamentations was living through a very dark season, and still he could say, “It is of the LORD'S mercies that we are not consumed, because his compassions fail not. They are new every morning: great is thy faithfulness” (Lamentations 3:22-23). Even after the longest night, God's compassion has not run out. Each morning brings a fresh supply, enough for one more day.

A prayer for a broken night

Lord, Your mercies are new this morning, and I need every one of them. Give me patience with my baby, kindness with myself, and strength for whatever tonight brings. Help this season pass, and let us find rest again. Amen.