The question of whether kids should sleep alone or share a bed with their parents divides not only parents but researchers too.
Here are the key things you need to know before deciding what’s best for your family.
Sleep begins with a sense of safety

For young children, sleep isn’t just about rest — it’s about feeling safe. Many little ones sleep better when they can sense that mom and dad are nearby, especially in their early years.
Research is split on the subject

There’s plenty of scientific research on children’s sleep habits, but very few clear answers. Some studies suggest kids sleep longer alone, while others show that co-sleeping provides comfort and better sleep quality.
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It’s largely a cultural question

The idea that children should sleep alone is not universal. In many cultures, children naturally sleep close to their parents. Our Western view on this is relatively new and culturally shaped.
Sleep quality can’t be measured the same for all

What does it actually mean to “sleep well”? Some researchers measure sleep in hours, others in how often it’s interrupted. But for small children, waking up multiple times a night is completely normal.
Co-sleeping can disturb sleep

Some studies suggest that children may sleep more restlessly when they share a bed with their parents. Sounds, movements, and heat can all affect the quality of sleep for both kids and adults.
Others claim co-sleeping improves sleep

On the other hand, several researchers argue that physical closeness at night helps children feel secure, wake up less, and sleep better overall — and the same might apply to parents.
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Experts agree on one thing

Despite all the disagreement, scientists do agree on one point: What matters most is that children sleep safely and that parents choose the solution that works best for their family.
Co-sleeping is not risk-free

Sleeping in the same bed can be dangerous for infants if parents smoke, drink alcohol, or use soft mattresses and pillows. Without these risk factors, the danger is minimal.
Sleeping alone won’t necessarily make kids independent

It’s a common belief that children need to learn to sleep alone to become more independent. But there is no clear scientific evidence to support this idea.
Animals do it too

Our closest relatives in the animal kingdom, chimpanzees, sleep close to their young for years. Some researchers suggest that co-sleeping is a natural human instinct.
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Sleep habits change as kids grow

Most children will naturally start sleeping alone when they get older — often around age 6 or 7. The parents’ role is simply to support them when they’re ready.
This article is based on information from Videnskab.dk.
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