Separation anxiety - why it happens and what helps

Last reviewed: July 2026 | Sources: NHS

One week your baby is happily passed around a room of relatives. The next, they scream the moment you step out of sight. Separation anxiety is one of the most common causes of parental guilt - and one of the most misunderstood.

Why it happens

Separation anxiety is a sign of healthy attachment, not a problem. Around 6-8 months, babies develop object permanence - they understand that you still exist when you leave the room. But they don't yet understand that you'll come back. The result: genuine distress when you disappear.

This is actually a developmental milestone. A baby who shows separation anxiety has a strong, healthy bond with their caregiver.

When it peaks

The first wave typically hits between 8-10 months. It often intensifies around 12-18 months when toddlers are mobile enough to follow you but not emotionally mature enough to handle separation. Most children see significant improvement by age 3, though transitions (new nursery, new sibling) can trigger temporary flare-ups at any age.

What helps

Practice short separations at home - go to another room, come back, cheerful hello. This builds their understanding that leaving isn't permanent. Keep goodbyes brief and confident - a lingering, emotional goodbye signals to your child that there's something to be worried about.

Never sneak away. It might avoid the immediate tears, but it teaches your child that you can vanish without warning - which makes the anxiety worse long-term. Always say goodbye, even if it triggers crying.

A transitional object (a comfort blanket, a small toy, something that smells like you) can help bridge the gap. For nursery drop-offs, develop a consistent goodbye ritual - a kiss, a wave, a special phrase - and then leave promptly.

Nursery settling in

Most nurseries offer a gradual settling-in period. Start with short visits together, then short separations that gradually lengthen. Trust the nursery staff - they've seen this hundreds of times and most children settle within minutes of the parent leaving. Ask for a phone call or photo if you're anxious.

It's normal for settling to take 2-4 weeks. Some children take longer, and that's OK too.

Talk to your health visitor if:

The anxiety is so severe that your child can't attend nursery or engage in normal activities after several weeks of gradual introduction. Separation anxiety appears suddenly in an older child (over 5) with no obvious trigger. Your child shows signs of anxiety beyond separation - persistent worry, sleep problems, stomach aches.

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Sources

NHS - Separation anxiety