Morning vs. Evening Ejaculation: Popular Doctor Explains Differences

The timing of male ejaculation, whether in the morning or evening, can have distinct impacts on health and well-being, according to popular urologist Dr. Toru Kubota. In a YouTube video shared on his channel, "Kubota Clinic," Kubota detailed the benefits associated with each time slot, drawing attention to how different physiological states influence the experience.

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Morning is the period when male hormones (testosterone) are secreted at their highest, usually 25% to 50% higher than at night, which helps increase libido and improve erection quality.

Ejaculating in the morning, Kubota explained, aligns with the body's peak testosterone levels, which are typically 25% to 50% higher than in the evening. This hormonal surge can enhance libido and improve the quality of erections. Furthermore, morning orgasms release endorphins and serotonin, often called "happy hormones," while reducing the stress hormone cortisol. This can lead to increased energy and reduced stress throughout the day.

Conversely, engaging in sexual activity in the evening offers different advantages. Post-orgasm, the brain releases oxytocin, the "love hormone," and prolactin levels rise, inducing feelings of satisfaction and physical fatigue that promote relaxation. Studies suggest that individuals who experience orgasms before sleep tend to have deeper sleep, effectively alleviating insomnia and aiding in falling asleep.

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After ejaculation, the brain secretes oxytocin (love hormone), and prolactin in the body also increases sharply, bringing a sense of satisfaction and physical fatigue, which helps relax the nerves.

Kubota also addressed the debate around sperm quality, noting that while some research indicates better sperm motility in the morning and others suggest higher concentration and motility in the evening, there is no medical consensus. He emphasized that the frequency and physical condition during ejaculation are more crucial than the specific time. Research from Harvard University and other large studies suggests that frequent ejaculation, defined as 21 or more times per month, is associated with a significantly lower risk of prostate cancer, potentially by helping to clear waste or harmful substances from the prostate.

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Studies indicate that people who have orgasms before sleep tend to have deeper sleep that night, which can effectively relieve insomnia and help with falling asleep.

Ultimately, Kubota recommends maintaining sexual activity or masturbation at least once a week to prevent age-related erectile dysfunction, advising individuals to choose times that best suit their lifestyle and their partner's availability. He stressed that ejaculation should be approached without obligation or pressure, emphasizing that a relaxed and enjoyable state is key to its health benefits. He concluded that good sexual function is built upon healthy daily habits, including adequate sleep, a balanced diet, and moderate exercise.

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Some studies suggest that morning sperm motility is better, but other studies suggest that evening sperm concentration and motility are higher; however, it is emphasized that there is no consistent conclusion in the medical community.