Sleep · Around 18 months
The 18-month sleep regression
Around 18 months, separation worries and moving towards one nap can disturb sleep.
26 August 2026 · 2 min read · A Baby Bee Blossom family note
From our home
Your toddler may want you close, resist bedtime or wake again. This common sleep window does not happen to every child.
What to expect
- Calling for you after bedtime.
- Waking more during the night.
- Moving from two naps towards one.
What can help
- Keep the same short bedtime routine.
- Offer comfort while keeping limits calm and clear.
- Keep the daytime nap at a steady time.
Sources behind this note
- American Academy of Pediatrics: separation anxiety and sleep (opens in a new tab)
- Nationwide Children's Hospital: sleep in toddlers (opens in a new tab)
- Phoenix Children's Hospital: managing sleep regression (opens in a new tab)
Wonder Weeks is referenced where it shaped our family's way of noticing change. Baby Bee Blossom is not affiliated with or endorsed by The Wonder Weeks.