The 8-Month Sleep Regression
Updated
Quick answer: The 8-month sleep regression is a stretch of unsettled sleep that often appears between 8 and 10 months. It’s usually linked to new skills like crawling and pulling to stand, separation anxiety, and the move from 3 naps to 2. It typically lasts 2–6 weeks.
Why it happens
- New skills: crawling, sitting up and pulling to stand are exciting to practice — including in the crib.
- Separation anxiety: babies now understand you exist when you leave the room, and protest more.
- Nap changes: many babies are ready to drop to 2 naps, and longer wake windows are needed.
What helps
- Give plenty of floor time to practice new skills during the day.
- If your baby stands up in the crib, practice sitting back down during play.
- Offer extra reassurance at bedtime, then keep your response consistent.
- Check wake windows — many babies need about 2¾–3½ hours at this age.
- Consider whether it’s time for the 3 to 2 nap transition.
Common questions
Is it the 8-month regression or teething?
Sometimes both. Teething discomfort tends to come and go over a few days, while regression-type sleep changes often last a few weeks.
Can it happen at 9 or 10 months?
Yes. The timing varies, and some people call it the 9- or 10-month sleep regression.