Why Is Co Sleeping Bad?

Co-sleeping, which refers to parents sharing a bed with their infant, can be unsafe due to the increased risk of suffocation, Sudden Infant Death Syndrome (SIDS), and other injuries to the baby. Although co-sleeping may foster a sense of closeness and improve breastfeeding, it also presents numerous hazards that can outweigh these perceived benefits. Understanding these risks can help parents make more informed decisions about the sleeping arrangements for their infants.

The Risks of Co-sleeping

One of the most significant dangers associated with co-sleeping is the increased risk of SIDS, a condition where infants die suddenly and unexpectedly, usually during sleep. Research has shown that bed-sharing, particularly with parents who smoke, consume alcohol, or are extremely tired, can greatly increase the chances of SIDS. The American Academy of Pediatrics (AAP) strongly advises against bed-sharing, particularly during the infant’s first year of life, which is the period when SIDS is most likely to occur.

Suffocation and Strangulation Hazards

Another grave concern is the potential for suffocation and strangulation. When an infant shares a bed with adults, there is a significant risk of the baby being accidentally smothered by bedding, pillows, or even the parent’s body. Adults can unintentionally roll over onto the baby, or the baby can become entangled in sheets, blankets, or the headboard, leading to suffocation or strangulation.

Accidental Falls

In addition to suffocation and strangulation, bed-sharing can also result in accidental falls. Infants may roll off the bed if they are left unsupervised or if the parents are in a deep sleep. Falls can cause serious injuries, including fractures and head trauma, which can be particularly dangerous for infants due to their developing bodies and brains.


Overheating is another concern in co-sleeping scenarios. Sharing a bed with adults can make it difficult to control the baby’s temperature. Excessive warmth from adult bodies, heavy blankets, or lack of proper ventilation can cause the baby to overheat, increasing the risk of heat stroke or SIDS.

Impact on Sleep Quality

Both for parents and infants, co-sleeping can adversely impact sleep quality. Infants sleeping in the same bed as their parents may be more easily disturbed by movement, sound, or changes in sleep position. This can lead to fragmented and less restful sleep. Parents, too, may experience disturbed sleep, as they remain vigilant to avoid rolling over or otherwise harming their baby during the night. Poor sleep quality can affect the overall health and well-being of both parents and their child.

Dependency and Sleep Associations

Another psychological aspect of co-sleeping is the development of dependency and sleep associations. Infants who become accustomed to sleeping next to a parent may find it challenging to sleep on their own as they grow older. This can create long-term sleep issues and make the transition to independent sleeping more difficult.

Alternatives to Co-sleeping

There are safer alternatives to co-sleeping that can still allow parents to be close to their baby without the associated risks. One such alternative is room-sharing. Room-sharing involves placing the baby in a crib or bassinet in the parent’s bedroom, but not in the same bed. This method allows parents to be close by for feeding and comforting, while significantly reducing the risk of SIDS and other safety hazards.

Safe Sleep Guidelines

Adhering to safe sleep guidelines can help protect your baby. Some key recommendations include placing the baby on their back to sleep, using a firm and flat sleep surface, and keeping the sleep area free from soft bedding, pillows, and toys. It is also important to dress the baby in appropriate clothing to maintain a comfortable temperature without risking overheating.

Safe Sleep Environment

Creating a safe sleep environment involves choosing a crib or bassinet that meets current safety standards. Ensure that the mattress fits snugly within the frame, and eliminate any potential hazards, such as loose bedding or crib bumpers. Sharing a bedroom with your baby for at least the first six months can significantly reduce the risk of SIDS, according to the AAP guidelines.

Finishing Thoughts

While co-sleeping may seem like a natural way to foster closeness and convenience, the risks associated with it can be too significant to ignore. From the dangers of suffocation and SIDS to the impact on sleep quality and long-term dependency, co-sleeping presents several challenges that parents must carefully consider. Fortunately, safer alternatives like room-sharing and adhering to safe sleep guidelines can offer a balanced solution that keeps your baby close while providing a safe environment for healthy sleep. When it comes to the well-being of your infant, making informed decisions about their sleep arrangements is crucial for their safety and your peace of mind.


  • Dominic Johnson

    Hello! I’m Dominic Johnson, the whimsical wizard behind the world of sleep at GoodSleepHub.com. With a background in Sleep Psychology and a quirky love for all things dozy and dreamy, I bring a sprinkle of fun to bedtime blues. I've spent my career unraveling the mysteries of the Sandman, turning dense science into cozy bedtime stories. When I'm not buried in research papers or testing the fluffiness of the latest pillows, I'm usually found playing impromptu lullabies on my old guitar for my twin daughters or teaching my labrador, Rocket, new tricks. My approach to sleep is simple: blend science with a touch of magic and a hearty laugh.

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