添い寝が睡眠を妨げる?

Does co-sleeping disrupt sleep? How to get a good night's sleep

睡眠コラム

Does co-sleeping disrupt sleep? How to get a good night's sleep

Dr. Yamada, an orthopedic surgeon specializing in sleep, says that human sleep quality can be negatively affected by even minor things. This time, we'll ask Dr. Yamada to address the problems with co-sleeping, which many parents do believing it's good for their baby.

Even small things can change how a person sleeps.

横向きに寝る女性

Some people find that their sleep quality doesn't improve, even after optimizing their bedding environment. When I talk to such people, a common problem often emerges.

That problem is "co-sleeping." The co-sleeping partner might be a spouse, a child, or, increasingly, a pet. While it's wonderful to be close enough to co-sleep, from the perspective of sleep's original purpose—to rest the body—it places a significant burden on one's sleep.

A person's sleeping posture is very delicate; simply placing a book by the pillow can cause the body to react to it and toss and turn unnaturally. When it comes to another person or a pet, the impact is even greater, making it difficult to turn over freely and resulting in sleep that doesn't provide adequate rest.

Consider alternatives like designating specific days rather than co-sleeping every night.

赤ちゃんと母親

Whether it's your child or pet, it's very difficult because they're so cute, but continuing to co-sleep means not only you but also your child or pet won't be able to sleep deeply. So, gradually try to reduce the number of days you sleep together, even if it's just a little at a time.

In the case of children, you can stay with them until they fall asleep, but then sleep separately afterward. If you have separate beds, you can even be in the same room.

The same goes for partners. Considering that not only you but also your partner may not be getting deep sleep, it's a good idea to discuss it and gradually reduce co-sleeping.

If you wish to use the same bed as a couple, a single mattress will inevitably lead to lighter sleep due to the other person's movements. To avoid being affected by mattress sinkage and other factors, consider using two single mattresses pushed together to create a double size.

LET'S TRY - Practical Tips

  • If you have children, try to sleep separately after they fall asleep.
  • Establish specific days for co-sleeping to avoid doing it every night.
  • Consider using two single mattresses placed side-by-side to create a double size to avoid being affected by your partner's movements.
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