Sleeping Sperm

Sleeping Sperm
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In the Indian Ocean, a group of more than 30 adult sperm whales are sleeping at a depth of 15 meters. They stand like this without moving for minutes or hours. All are females, and all the calfs are at the surface while parents are sleeping.
In the Indian Ocean, a group of more than 30 adult sperm whales are sleeping at a depth of 15 meters. They stand like this without moving for minutes or hours. All are females, and all the calfs are at the surface while parents are sleeping.
July 12, 2017 - Humpback whales have been observed using their flippers in a previously unknown way—flapping them like a bird. Biologists filmed this first-ever video off the coast of South Africa. Previously it was thought that the whales used these flippers to steer in the water, not propel themselves. Two whales were recorded flapping to lunge forward while feeding. It's not clear how common this behavior is, or wether the flippers were the sole means of propulsion. Click here to read Rare Video Captures Never-Before-Seen Whale Behavior.
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One photographer captured a rare glimpse of what it looks like when whales snooze.
When one of the largest animals in the ocean takes a nap, it can look pretty weird.
Popular photos have surfaced online showing sperm whales gathered together, seemingly motionless and arranged vertically in the water. The whales, which are roughly the size of school buses, almost always appear to be "standing" and clustered in pods of five or six.
French photographer and filmmaker Stephane Granzotto captured this behavior while diving in the Mediterranean, where he was documenting sperm whales for his photo book on the creatures titled Cachalots . In the photo above, submitted to National Geographic's YourShot photography community, he noted that the whales had been napping for an hour.
A study published in 2008 in the journal Current Biology was the first to conclusively document the whale's vertical sleeping position.
First-Ever Video Shows Whales Flapping Like Birds
Sleep had previously been observed in some captive cetaceans by monitoring eye movements, but how whales in the wild rested was significantly less understood. Using data-collecting tags suction cupped to 59 sperm whales, researchers from the University of St. Andrews and the University of Tokyo measured the animals' periods of inactivity.
The whales were found to spend seven percent of their day in these vertical sleeping positions near the surface of the water, where they napped from 10 to 15 minutes. Researchers suggested at the time that they might be one of the world's least sleep-dependent animals.
Whales in captivity have been found to use only half their brain while sleeping, a behavior scientists think could help them avoid predators, maintain social contact, control breathing, or continue swimming.
The study also noted observations from a video shot in northern Chile that showed whales did not wake from their surface naps until a ship approaching with its engines off unintentionally bumped into them. This suggests whales in the wild might enter a full sleep, unlike their captive counterparts.
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SOURCE: Lauren Wise, Sc.D., professor, epidemiology, Boston University School of Public Health; Peter Schlegel, vice president, American Society for Reproductive Medicine, and professor and chair, urology, Weill Cornell Medicine, New York City; Oct. 18, 2016, presentation, American Society for Reproductive Medicine annual meeting, Salt Lake City
Study found too little or too much shuteye linked to reduced chance of pregnancy
WEDNESDAY, Oct. 19, 2016 (HealthDay News) -- Sleeping too little or too much can affect a man's ability to impregnate his partner, new research suggests.
The "sweet spot" appears to be 7 to 8 hours of sleep a night, said study author Lauren Wise, a professor of epidemiology at Boston University School of Public Health.
Among the 790 couples the researchers followed, "we found both short and long sleep duration -- less than 6 hours or 9 or more per night -- were associated with a reduced probability of pregnancy ," Wise said.
Using 8 hours of sleep as the reference point, men who slept less than 6 or more than 9 hours a night "had a 42 percent reduced probability of conception in any given month," she added.
The main explanation is most likely hormonal, Wise said. Fertility experts know that testosterone is crucial for reproduction and the majority of daily testosterone release in men occurs during sleep, she explained. Total sleep time, in turn, has been positively linked with testosterone levels in several studies, she added.
All of the couples in the study were trying to conceive, and they had been trying for no more than six menstrual cycles. The couples answered questions about sleep patterns and whether they had trouble sleeping . Those men who had trouble sleeping more than half the time were also less likely to impregnate their partner than those who didn't, the researchers found.
While the study found only an association between sleep and fertility, "it can't prove cause and effect," Wise said.
But the link held up even after she took into account both the men's and women's ages, their body mass index, their frequency of intercourse, and other factors known to affect fertility.
More research is needed, Wise noted.
"It is possible that poor sleep duration could contribute to an unhealthy lifestyle, decreased libido, a decrease in sex, but we tried to control for all those factors," she said.
The finding is welcome news to Dr. Peter Schlegel, vice president of the American Society for Reproductive Medicine.
"There is very little data about how men's sleep may affect fertility," he said. "We know any stress can affect fertility for both women and men. This study strongly suggests that for men, aiming for the 7 to [less than] 9 hours of sleep helps to optimize their fertility and their chances of contributing to a pregnancy."
Based on this new research, doctors counseling couples should talk about how much sleep the men are getting, Schlegel said. As for women and sleep, "we don't know for sure," he said.
Other research suggests that eating more fruits and vegetables yields better production of sperm than meats and fats, said Schlegel, who is chair of urology at Weill Cornell Medicine in New York City. Men who are at a healthy weight generally have better fertility, too.
One limitation of the study, Schlegel said, is that the researchers did not measure sperm counts. "But they looked at time to pregnancy," he said, and "most would say the chance of a pregnancy occurring is probably the best measure."
The findings were to be presented Wednesday at the American Society for Reproductive Medicine's annual meeting, in Salt Lake City. Research presented at medical meetings is considered preliminary until it is published in a peer-reviewed medical journal.
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Adolescent or young adult males undergo several hormonal changes that can cause spontaneous erection during sleep. Such events are a part of normal development. It may also occur due to orgasms during sleep.
Semen is a whitish fluid that a man ejaculates from the penis. It mainly consists of seminal fluid and a small concentration of sperm. It often leaks during sexual arousal, which is normal, but some men may experience semen leakage while sleeping or urinating.
What are the reasons for sperm leakage in your sleep? Adolescent or young adult males undergo several hormonal changes that can cause spontaneous erection during sleep. Such events are a part of normal development. It may also occur due to orgasms during sleep.
In medical terms, it is called Nocturnal emissions or, in general, wet dreams or nightfall . It is a widespread phenomenon and is not a cause of concern but could be a reason for sperm leakage in your sleep.
Significant reasons for sperm leakage are:
Semen leakage before or after ejaculation is common and is considered normal. It is not a cause of concern.
If a man ejaculates while sleeping, the ejaculation is called nocturnal emissions. It is pretty standard in adolescents and youngsters. It may be due to arousal due to sexual dreams.
Retrograde ejaculation is when semen enters the urinary bladder instead of exiting the penis. It comes out with urine. It may happen if semen remains in the urethra after a recent ejaculation.
Inflammation of the prostate gland is prostatitis, and it is one of the significant causes of leakage.
Side effects of several medications like mood stabilizers or selective serotonin reuptake inhibitors, a type of antidepressant, also spur ejaculation.
If the nervous system is damaged, it may lead to sperm leakage. It can be due to brain tumour, diabetes, injury to the head or spinal cord, and multiple sclerosis.
Most men don't require any treatment for sperm leakage issues. It is a natural physiological condition, though it may cause some discomfort. As you grow up, the reasons for sperm leakage in your sleep will become less frequent.
If it happens in excess and with more frequency, then only you need to consult a doctor. Following tips may control sperm flow at night:
If you have recently ejaculated and there is some semen left in the urethra, it may come out with urine. In some cases, the muscles that close the urinary bladder do not function normally. This sends semen backwards inside the urinary bladder at the time of ejaculation. As a result, the urine with semen is cloudy. This condition is called Retrograde Ejaculation and requires medical attention.
As you grow up, sperm should stop leaking with urine, but if that is not the case, then you may need treatment. If it occurs because of retrograde ejaculation, it may also lead to infertility as sperm will not reach your partner. In this case, you need to consult the doctor before your condition gets worse.
The cause of Retrograde ejaculation will decide the course of treatment. If ejaculation in urine is accompanied by pain or burning sensation, then it requires immediate attention. It may be related to the prostate gland. The doctor will decide on treatment options.
Treatment of semen leakage is decided based on the cause behind it.
Kegel Exercises Kegel Exercises help strengthen pelvic floor muscles that support the bladder and control the urine flow. Follow these steps to exercise these muscles:
This is how you do kegel exercises. For better results, perform them three to four times a day.
Alternatively, you can tighten your pelvic floor muscles by following these steps:
You must do this at least three to four times a day.
Meditation and Yoga Meditation and yoga will help relax your body, improve your sexual as well as emotional health.
Ayurvedic medicines for sperm leakage There are herbs and some ayurvedic medicines that can enhance your control over ejaculation. These herbs can also provide strength to genital nerves. Some common herbs are Ashwagandha, Safed Musli, Shatavari, Kesar, Shilajit, etc.
If taken with a healthy balanced diet and lifestyle, it can improve your leakage condition.
The pre-ejaculate is a liquid leakage before ejaculation. It is not semen but may have sperm mixed in it. Sometimes men leak semen before ejaculation. Some tips to stop early ejaculation are:
If pre-ejaculation occurs due to other causes such as erectile dysfunction, then you must visit the doctor.
Semen leakage can be an uncomfortable or messy situation, but it is normal for adolescents. However, if it doesn't reduce with age, you may require medical attention.
Spermatogenesis is developing male gametes, known as sperm, within the male reproductive organs called the testes.
Many believe that performing regular jelqing exercises can increase the length and girth of the penis. Jelqing exercises are one of the few solutions which doesn’t involve any chemicals or medicinal substances. It is a simple technique that claims to increase penis size by using hand exercises.
Medically Reviewed articles that enable men to live more confidently by understanding their health and wellness better.

An Amazing Discovery: Sperm Whales Sleeping Vertically

A photographer, Franco Banfi, snapped an image showing a group of sperm whales sleeping vertically. (Image: via Twitter)
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Imagine being a diver and coming across a group of sperm whales sleeping vertically, not swimming like dolphins and porpoises, but floating upright and motionless in the open sea. (Image: Martin Procházka via Dreamstimes)
Imagine being a diver and coming across a group of sperm whales sleeping vertically, not swimming like dolphins and porpoises, but floating upright and motionless in the open sea. If you ever witnessed such a scene, congrats, you have seen a very rare sight.
Back in 2008, a team of scientists from Scotland and Japan literally bumped into a group of sperm whales sleeping vertically close to the surface of the water. The mammals were so immersed in a state called “drift diving” that they didn’t even respond to the presence of the passing boat. By observing the whales, the researchers onboard found they spend just 7 percent of their day napping, for bursts of around 10 to 15 minutes each time.
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Capturing images of whales can be especially challenging because the animals are so big that they are difficult to illuminate with strobe lights, which underwater photographers frequently use in dark ocean depths. And if a photographer isn’t in the right position
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