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Men should sleep naked to improve sperm quality – physicians

By Francesca Hangeior
Medical experts have said that sleeping naked could increase sperm production in men by enabling the testicles to have a chance to cool off.
They recommend that men who wish to become fathers should sleep without clothing at night to enhance their chances of conception.
The physicians pointed out that this practice could improve male fertility, as cooling the scrotum at night had been shown to improve sperm quality.
The experts suggested wearing roomy boxers during the day to keep the scrotum cool and enhance reproductive success while advocating for sleeping naked at night.
According to the US National Library of Medicine’s Biotech Information, cooling the scrotum directly impacts sperm health and motility.
Additionally, the US medical journal confirms that sleeping naked helps maintain an optimal temperature for testicular health and sperm quality.
Speaking exclusively with PUNCH Healthwise in different interviews, the experts noted that tight underwear could cause heat, stressing that cooler temperatures support optimal testicular function, which could be achieved by sleeping naked.
A Professor of Medicine and Endocrinology at the College of Medicine, University of Lagos, Olufemi Fasanmade, disclosed that sleeping naked positively impacts male fertility.
Fasanmade explained that cool weather and loose underwear help maintain optimal sperm production, and sleeping naked effectively cools the scrotum.
He noted that tight-fitting pants and hot weather could reduce sperm production, whereas loose garments or sleeping naked promote better sperm formation.
Fasanmade advised men looking to improve their fertility and sperm motility to keep their scrotum and testes cool by avoiding tight pants or boxers while sleeping.
Corroborating his statement, a Family Physician at the Anambra State Ministry of Health, Dr. Chidumeje Okafor, highlighted several benefits of sleeping naked.
He categorised these benefits into four sectors for clarity: sleep, psychological, health, and obstetric and gynecological advantages.
Okafor stated, “Sleeping naked can boost male libido and improve fertility.”
He also noted that men who sleep naked had 25 percent less DNA fragmentation in their sperm.
Regarding women’s health, Okafor noted that sleeping naked can help protect against yeast infections such as candidiasis.
He acknowledged that while vaginal yeast infections are common and may not be entirely avoidable, their prevention is possible.
Okafor advised that avoiding tight pants and underwear, which can increase moisture in the genital area, is beneficial.
Sleeping naked or at least without underwear can help keep the vulva and vagina cool and dry, thereby reducing the risk of infection, he said.
The family physician noted that tight-fitting or sweaty underwear can increase the risk of vaginal yeast infections, especially if worn throughout the day and night.
“Sleeping naked is an effective way to air out the vagina and maintain its health, helping to prevent yeast infections that are more likely to develop in warm, moist environments,” he added.
More so, a study conducted by the National Institute of Child Health and Human Development in Maryland and Stanford University which monitored underwear choices of 500 men over 12 months to ascertain their sperm quality, also gave credence to the benefits of men sleeping naked.
It found that men who wore boxers during the day and were naked at night had 25 per cent less Deoxyribonucleic acid fragmentation in their sperm compared with men who wore tight briefs day and night.
According to ScienceDirect, a medical journal, DNA fragmentation refers to the process where DNA breaks down into smaller fragments, which can be detected in specific regions of the brain.
This fragmentation, it noted, is associated with the presence of free radicals and is believed to contribute to the development of conditions like epilepsy.
The journal also notes that elevated DNA fragmentation rates are more common in infertile men compared to fertile donors and can negatively impact reproductive outcomes.
These undesired effects, the journal noted, include impairment of natural conception, intrauterine insemination, and In-Vitro fertilisation with Intracytoplasmic sperm injection, a technique used during IVF.
The researchers noted among men in the general population attempting to conceive, the type of underwear worn during the day and at night is associated with semen quality.
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Gunmen abduct two senior LG workers, three others

Some senior officials of the Kwara State Local Government Service Commission have been kidnapped by gunmen along the Omu-Aran/Ilorin Road.
The victims were abducted on Friday evening.
Those kidnapped are: the Head of the Legal Department of Oke-Ero Local Government, Elizabeth Arinde, and the Head of Personnel Management of the council, whose name could not be immediately confirmed.
It was gathered on Saturday night that the two senior administrators were among seven individuals kidnapped at Corner Eleyin along the Omu-Aran/Ilorin Expressway while returning to Ilorin, the state capital, for the weekend on Friday, April 25, 2025.
The incident occurred at about 5:45pm where five gunmen ambushed the two private vehicles before leading the passengers into the bush.
The Kwara State Police Command has confirmed the incident.
This was contained in a statement signed by the Police Public Relations Officer, SP Adetoun Ejire-Adeyemi, on behalf of the Commissioner of Police, Adekimi Ojo, on Saturday.
The statement added “The Kwara State Police Command confirms a kidnap incident reported at about 5:45 p.m. on Friday, 25th April 2025, at Eleyin village via Isanlu-Isin. It was reported that about five armed men blocked the highway, stopping two private vehicles, forcefully taking all occupants to an unknown location.
“Following the report, the command, in collaboration with the military and vigilantes, launched a swift operation, leading to the successful rescue of two victims, Ganiyu Ajayi and Kolawole Adeyemi.
“Efforts are ongoing to rescue the remaining five victims and apprehend the perpetrators.
“The command has intensified security measures across the area, including aggressive bush combing, strategic patrols, and intelligence-driven operations to prevent further occurrences”
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Army Chief condemns beating, harassing civilians in military uniform says, it’s wrong

The Chief of Civil-Military Affairs (Army), Major General Gold Chibuisi, has condemned the harassment and assault of civilians unlawfully wearing military uniforms, stressing that while such acts are illegal, the Nigerian Army does not support violence against offenders.
Speaking during a media chat with Defence correspondents on Saturday night in Abuja, Maj. Gen. Chibuisi said that although it is against Nigerian law for non-military personnel to wear military uniforms, soldiers must act professionally and lawfully when handling such cases.
“I’m surprised that in most briefs we give in our programmes, we always talk about this uniform issue because it keeps recurring. It’s against the law of the land. If you are not in the armed forces, please don’t use our uniform, whether you love it or not.
“But that’s one part of it. Let people stop it. The other part is what we do, what our troops do when they see somebody dressed in a military uniform. You’re supposed to just get the person to remove it, arrest, and hand it over to the police, basically for persecution. All these other things that come with it are not right. And we are doing sensitisation on them.”
He said many soldiers had been sanctioned for assaulting Nigerians who wore military camouflage.
” Those that we find and there is evidence that they did that, we always sanction them sternly. And we’ll continue to do that, ” Chibuisi said.
He appealed to citizens to avoid wearing military uniforms illegally, noting that respecting the uniform is an important part of strengthening national security and building trust between the military and the public.
Chibuisi noted that criminals increasingly exploit military uniforms to commit crimes, making it harder for civilians and security agencies to identify genuine soldiers.
“Currently, there are a lot of criminals using military garb to perpetrate crime. If people keep dressing like that, how do you differentiate between a criminal and a genuine soldier?”
He urged families and communities to help with sensitization at the home level.
“If somebody you know is not in the military comes out in the morning, and he wants to jog or drive somewhere wearing our uniform, you should tell him not to, “he said.
Chibuisi also reminded the public that the Army belongs to the people and should be seen as part of their families, not as distant or fearsome figures.
“There is no army that doesn’t want itself to be seen as working for the people. We are the Nigerian Army. The Nigerian people own us.”
As part of efforts to foster better understanding, the Army, he said, is strengthening its sensitisation campaigns both internally among troops and externally to the wider public.
“We are fine-tuning the conduct of our personnel.
“And I believe as we keep interacting, the relationship will continue to improve, ” he said.
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