Supporting Siblings When One Child’s Needs Dominate
Your neurotypical daughter is eight years old when she says it: “You love him more than me.”
You don’t. But you understand completely why she thinks you do. Her brother gets more attention, more patience, more accommodations, more of everything. His meltdowns interrupt her homework. His needs determine where the family can go, what activities are possible, how much money is left for anything else.
She sees that he breaks rules without consequences that she’d get punished for. She sees you spending hours every day managing his challenges while she’s expected to just “be the easy one.”
She’s not wrong. One child’s needs do dominate. And your other children notice. They feel it. They resent it—not because they’re bad siblings, but because they’re children who also need you and aren’t getting enough.
If your neurotypical or less-challenged children are struggling with resentment, anger, or feeling invisible, that’s not a failure of your parenting. It’s a realistic, understandable response to a genuinely difficult situation. Supporting siblings of a neurodivergent child starts there: acknowledging their pain while still doing what your neurodivergent child needs.
The Invisible Cost on Siblings of a Neurodivergent Child
Siblings of neurodivergent children lose things that matter:
Less parental time and attention: Not by your choice, but by necessity. The child with greater needs gets more. There’s no way around this reality.
Restricted family activities: Can’t go to certain restaurants, events, festivals, or take certain vacations because one sibling can’t handle it. The whole family’s world shrinks.
Constantly interrupted experiences: Their homework gets interrupted by their sibling’s meltdown. Their birthday party ends early because sibling is overwhelmed. Nothing is ever just about them.
Different rules that look like favouritism: They watch their sibling “get away with” behaviours they’d be punished for—because disability accommodations look exactly like special treatment to a child.
Parentification: Older siblings especially get pulled into caretaking, mediating conflicts, managing their neurodivergent sibling’s behaviour. They become the assistant parent when they should just be the sibling.
These losses are real and significant. Acknowledging them doesn’t mean you’re doing something wrong, it means you’re seeing your child’s experience clearly.
How to Explain Neurodivergence by Age
How you explain differences matters. Too little information and siblings think it’s favouritism. Too much and they feel burdened with adult concerns.
Ages 5-8
“Your brother’s brain works differently than yours. Some things that are easy for you are really hard for him. Like, getting dressed in the morning is easy for you but super hard for him. So we help him more with that. It doesn’t mean we love him more—it means we help you both in the ways you each need.”
Ages 9-12
“Your sister has something called ADHD. It means her brain doesn’t make enough of certain chemicals that help with focus and impulse control. That’s why she interrupts a lot and has trouble waiting her turn. I know it’s frustrating when she gets different rules. Your feelings about that are okay to have.”
Ages 13+
“I know this family dynamic has impacted you in ways we haven’t always talked about. I see how you’ve had to adapt, how you’ve had less of my attention than you deserved. I want to hear what that’s been like for you.”
“Fair vs. Equal” Conversations
The key message: Fair means everyone gets what they need. Not everyone gets the same.
“Your brother needs more help with managing his feelings. You need more help with math homework. We try to give you both what YOU need. That looks different for each of you.”
Be honest when they call out the imbalance: “You’re right that I spend more time helping your sister. That’s hard on you. I’m working on making sure you get what you need too.”
Protecting Sibling Relationships
Critical boundaries to maintain:
- Siblings aren’t responsible for their brother/sister’s behaviour
- They don’t have to be “understanding” 24/7
- Their frustration is valid and doesn’t make them bad people
- They get to have boundaries and protected space
Don’t expect them to always accommodate: “I know he’s loud when you’re trying to study. Let’s figure out how to give you quiet space.”
One-on-One Time (When You Have None)
You’re exhausted. You have no time. I know.
But even 10 minutes of completely undivided attention matters enormously.
- Let THEM choose the activity
- No phones, no interruptions
- Don’t talk about their sibling during this time
- Protect this time—don’t cancel for sibling’s needs unless genuine emergency
When Siblings Struggle Too
Here’s the thing nobody tells you: neurodivergence runs in families.
If your “easy” child is:
- Anxious or perfectionistic
- Struggling socially but hiding it
- Working extremely hard to be “no trouble”
- Showing different symptoms than their sibling
They might be neurodivergent too, just presenting differently.
Don’t assume neurotypical just because they’re functioning better than their sibling or because their struggles look different.
If this is raising questions for you, Is This Normal? Understanding Neurodivergent Development is a good place to start. The OWLS Profile can also help you understand a second child’s pattern — including whether what looks like “just anxiety” might be something more.
You’re Doing Your Best
You’re trying to meet the needs of multiple children who need different things, with resources and time that don’t stretch far enough.
You’re going to get the balance wrong sometimes. Your neurotypical child will feel neglected sometimes. Your neurodivergent child will feel like they’re a burden sometimes.
You can’t perfectly balance this. Nobody can.
But you’re aware of it. You’re trying. You’re reading this because you care about all your children and want to do right by each of them.
That awareness and effort matter. Even when it doesn’t feel like enough.
Support Your Whole Family
Get your Personalised Parenting Plan — $42/month and get:
✓ Strategies built around your child’s needs that work for the whole family
✓ A community of NZ parents navigating the same dynamics
✓ Resources for explaining neurodivergence to siblings
Get your Personalised Parenting Plan →