Separation anxiety and sleep

Your baby is distraught the moment you leave the room, and someone has suggested you brought this on yourself. You did not. This is a predictable developmental stage with predictable peaks.

3 min read

Separation anxiety begins when a baby works out object permanence - that things still exist when they cannot be seen. Before that, you leaving the room is unremarkable; afterwards, your baby knows you are somewhere else, and that is a much more distressing piece of information.

It is a sign of healthy attachment and normal cognitive development. It is also genuinely difficult to live through, particularly at bedtime, when the separation is longest and the room is dark.

When it peaks

What actually helps

Rehearsal is the main thing. Peekaboo and hiding games do exactly what is needed - you disappear, you come back - in a setting where the stakes are nil. Narrating your departures during the day works the same way: say you are going to the kitchen, go, and come back. Slipping out unnoticed is easier in the moment and teaches the opposite lesson.

At bedtime, lengthen the wind-down slightly and put more contact in it. Keep goodbyes short, identical and unhurried. If you are checking in, come back on your own schedule rather than in response to crying - what you want them to learn is that you return reliably, not that crying summons you.

A comfort object can help from around a year, once it is safe to have something in the cot. Under twelve months, the cot stays empty.

They have just learned you still exist when you go. Everything they are doing follows sensibly from that.

What to avoid

This is a poor time for methods involving extended separation, for moving them into their own room, or for starting nursery if you have any choice about the timing. Delaying by six or eight weeks costs almost nothing and makes all three much easier.

Four to eight weeks is the usual span of an acute phase. Daytime clinginess often outlasts the night-time disruption.

Comfort objects, and when they help

From around a year, once it is safe to have something in the cot, a small comforter can genuinely help - it gives your baby something of the familiar that stays when you leave. Keep it small and breathable, with no ribbons, buttons or loose parts, and under twelve months the cot stays empty regardless.

If you introduce one, buy two identical ones immediately and rotate them through the wash. A single irreplaceable comforter that goes missing on holiday is a problem you can avoid entirely for the price of a second one.

When it returns later

It is not a single phase that passes. It comes back in waves - commonly around twelve to eighteen months, again around two, and often triggered by a change in circumstances at any point: nursery, a house move, a new sibling, a parent going back to work.

The later waves are more verbal and easier to work with. A two-year-old can be told what is happening and when you will be back, and consistency about that - leaving when you say you will, returning when you say you will - does more than any bedtime adjustment. What does not help at any age is slipping out unnoticed to avoid the moment of goodbye.

When to stop troubleshooting

Distress that cannot be settled by your presence at all, extreme anxiety persisting for months, loss of skills, or anxiety alongside fever, pain or a change in feeding, are worth raising with your GP or health visitor.

General guidance, not medical advice. Your paediatrician's advice takes precedence.