
When your toddler will only settle to sleep for one parent, bedtimes can be very tough. In fact, many toddlers go through phases of only wanting one parent to help them with anything! But bedtime can feel especially difficult.
At the end of the day, toddlers are tired, emotionally worn out, and less able to cope with change. And honestly? Parents usually are too.
Usually (though not always), the preferred parent is mummy, simply because she’s often the main caregiver. But if there’s a new baby in the family and mummy’s attention is elsewhere at bedtime, the “preferred parent” role can sometimes switch to daddy instead.
This bedtime preference is especially common in toddlers who rely on a parent lying with them to fall asleep. When you try to swap parents, the reaction can sometimes feel huge.
And when your child only wants one of you at bedtime, it can feel upsetting, rejecting, exhausting — or just really, really annoying.
Parent preference is almost always about habit, familiarity, temperament, and sleep associations — not genuine rejection of the other parent. It’s so important for the two of you to work as a team and support one another through this phase.
The “non-preferred” parent may still feel hurt or rejected, even when they understand that their child’s behaviour is developmentally normal. They often need reassurance, encouragement, and opportunities to build confidence in their own relationship with their child.
Meanwhile, the “preferred” parent can feel overwhelmed by the responsibility of being the only one “allowed” to handle bedtime or other aspects of care. That parent may really need and appreciate practical support in other areas — preparing meals, managing household tasks, or taking care of general life admin — especially during more intense phases of parent preference.

If your toddler currently needs you to lie with them to fall asleep, this is the first thing to tackle.
Rather than simply swapping the preferred parent into the bed, focus on helping your child learn to fall asleep without a parent beside them.
Once your child can fall asleep independently, it becomes much easier to alternate bedtime between parents.
Have a look at my free guide to help you with this https://andreagrace.co.uk/toddler-sleep-struggles/
Don’t spring the change on them at bedtime.
Tell your child earlier in the day:
“Daddy/Mummy is doing bedtime tonight.”
Be calm, confident, and matter-of-fact.
For younger toddlers especially, a little “social story” can really help.
This is just a simple story that walks your child through exactly what bedtime will look like with the other parent, so they know what to expect.
You can even add little drawings or photos to make it feel special.
Example:
My name is ________.
I am getting so big!
At bedtime I have my bath.
Then I clean my teeth.
I get into bed.
Daddy reads me a story.
Then we kiss goodnight.
“Goodnight Daddy! See you in the morning!”
I am big now and I go to sleep all by myself.
Hurrah! See you in the morning!
If your child strongly prefers one parent, it can help to build in some “golden time” before bed.
Spend 20–30 minutes together without distractions:
This can be especially important if there’s a new baby and your attention is usually shared.

For the first couple of bedtimes, it can actually help if the preferred parent is out of the house entirely.
If they’re home, toddlers often hold out hope that the preferred parent will step in.
If the preferred parent is at home, try not to intervene — except to support the other parent calmly:
“I know you’re upset, but it’s Daddy’s turn tonight and he’s brilliant at bedtime stories.”
Try not to say things like:
This only adds pressure and emotional weight to an already emotional situation.
It will probably take longer than usual at first.
There may be tears and protests.
That’s OK.
Stay calm, loving, and consistent. Your child is learning that both parents are safe, capable bedtime caregivers.

If the other parent managed bedtime, make a big fuss about it the next day.
Use warm, specific praise:
“You went to bed with Daddy/Mummy last night — you were so brilliant!”
Stickers or small rewards can help reinforce the new routine too.
This phase does pass — especially when bedtime becomes calmer, more predictable, and less dependent on one particular parent.
And remember: this isn’t about your child loving one parent more. It’s simply about familiarity, routine, and habit.

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