A doctor has warned about a surprisingly common sexual habit that could expose people to unwanted bacteria, with research suggesting that almost everyone surveyed has tried it at least once.
While many couples enjoy introducing a little spontaneity into their relationships, certain activities around the home may come with hygiene risks that are easily overlooked.
And according to one NHS GP, a popular alternative to the bedroom could be less hygienic than people realise.
The warning follows research involving 500 people, which found that 97 percent of respondents admitted to getting intimate in a particular location.
Although the habit might seem harmless, the doctor has explained why it could increase exposure to bacteria and what couples can do to reduce the potential risks.
What is the common sex habit doctors are warning about?
The habit in question is having sex on the sofa.
Research conducted by furniture retailer Sofa Club found that 97 percent of the 500 British adults surveyed admitted to having sex on their couch at least once.
One in five respondents also revealed that they leave the television playing in the background during intimate moments.
While the living room might seem like a comfortable alternative to the bedroom, NHS GP Dr Hana Patel has highlighted a potential hygiene concern.
Speaking about the findings, Patel explained that sofas can harbour bacteria because they are generally more difficult to clean thoroughly than bedding.
Unlike bedsheets, which can be removed and washed regularly, upholstered furniture may go extended periods without deep cleaning.
As a result, bacteria, sweat and other contaminants can accumulate on surfaces that come into contact with people's skin.
Why could having sex on the sofa increase infection risks?
According to Patel, the primary concern is that sofas are not usually cleaned as frequently or thoroughly as bedsheets.
She warned that this could potentially increase exposure to bacteria during intimate contact.
However, the presence of bacteria on upholstery does not automatically mean someone will develop an infection, and there is limited direct research comparing infection rates between sex on sofas and beds.
Urinary tract infections, commonly known as UTIs, can sometimes occur following sexual activity when bacteria enter the urinary tract.
People with female urinary anatomy are generally more susceptible to UTIs because of anatomical differences, including a shorter urethra.
Maintaining good personal hygiene and keeping surfaces clean can help reduce avoidable exposure to bacteria.
What other precautions do experts recommend?
Patel also emphasised the importance of properly cleaning sex toys, particularly when they are shared between partners.
She advised washing toys between uses and using a fresh condom when appropriate to reduce the risk of transmitting sexually transmitted infections.
Infections such as chlamydia, syphilis and herpes can be transmitted through certain types of sexual contact, including the sharing of contaminated sex toys.
Following the manufacturer's cleaning instructions and using suitable barrier protection can help reduce these risks.
Why is the sofa such a popular place for intimacy?
Despite the hygiene concerns, relationship experts suggest that the popularity of sofa sex comes down to spontaneity and convenience.
Award-winning sex and relationship coach Gemma Nice explained that couples may find the living room offers a different atmosphere from their usual bedroom routine.
Rather than planning intimate moments around bedtime, couples may enjoy the opportunity to be spontaneous.
However, Nice also highlighted the potential for discomfort or skin irritation, particularly when furniture is made from rough materials or leather.
She recommended keeping towels or blankets nearby to protect both the skin and upholstery.
Does this mean couples should avoid having sex on the sofa?
Not necessarily. The doctor's warning focuses on potential hygiene concerns rather than suggesting that sofa sex is inherently dangerous.
For most healthy adults, having sex on a clean sofa is unlikely to pose a significant additional health risk.
Using a freshly washed blanket, cleaning upholstery according to its care instructions and practising good sexual hygiene are sensible precautions.
Anyone experiencing symptoms such as painful urination, unusual discharge or persistent irritation should seek appropriate medical advice.
Ultimately, the research highlights how a common activity can raise hygiene considerations that many couples may never have thought about.
And while the sofa might offer a welcome change of scenery, keeping it clean is probably a good idea.
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