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| In ] and ], '''nocturnal penile tumescence''', is the spontaneous occurrence of a ] ] during ] in the absence of any ]. All men who are physically able to achieve erection do so during sleep, typically several times in a night<ref>{{cite web | last = | first = | authorlink = | coauthors = | title = Tests for Erection Problems | work = | publisher = WebMD, Inc. | date = | url = http://www.webmd.com/erectile-dysfunction/Tests-for-Erection-Problems | format = | doi = | accessdate = 2007-03-03 }}</ref>. It typically happens during ] and it is not uncommon for an erection to be present when a man wakes up — such an erection is colloquially referred to as ] in the United States (and ] in the United Kingdom). | In ] and ], '''nocturnal penile tumescence''', is the spontaneous occurrence of a ] ] during ] in the absence of any ]. All men who are physically able to achieve erection do so during sleep, typically several times in a night<ref>{{cite web | last = | first = | authorlink = | coauthors = | title = Tests for Erection Problems | work = | publisher = WebMD, Inc. | date = | url = http://www.webmd.com/erectile-dysfunction/Tests-for-Erection-Problems | format = | doi = | accessdate = 2007-03-03 }}</ref>. It typically happens during ] and it is not uncommon for an erection to be present when a man wakes up — such an erection is colloquially referred to as ] and morning glory in the United States (and ] in the United Kingdom). | ||
| The existence and predictability of nocturnal tumescence is utilized by sexual health practitioners to ascertain whether a given case of ] (E.D.) is ] or ] in origin. A patient presenting with E.D. is fitted with an elastic device to wear around his penis during sleep; the device detects changes in girth and relays the information to a computer for later analysis. If nocturnal tumescence is detected, then the E.D. is presumed to be due to a ] such as sexual anxiety; if not, then it is presumed to be due to a physiological cause. | The existence and predictability of nocturnal tumescence is utilized by sexual health practitioners to ascertain whether a given case of ] (E.D.) is ] or ] in origin. A patient presenting with E.D. is fitted with an elastic device to wear around his penis during sleep; the device detects changes in girth and relays the information to a computer for later analysis. If nocturnal tumescence is detected, then the E.D. is presumed to be due to a ] such as sexual anxiety; if not, then it is presumed to be due to a physiological cause. | ||
Revision as of 15:47, 14 April 2007
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In anatomy and physiology, nocturnal penile tumescence, is the spontaneous occurrence of a penile erection during sleep in the absence of any sexual stimulation. All men who are physically able to achieve erection do so during sleep, typically several times in a night. It typically happens during REM sleep and it is not uncommon for an erection to be present when a man wakes up — such an erection is colloquially referred to as morning wood and morning glory in the United States (and Piss proud in the United Kingdom).
The existence and predictability of nocturnal tumescence is utilized by sexual health practitioners to ascertain whether a given case of erectile dysfunction (E.D.) is psychological or physiological in origin. A patient presenting with E.D. is fitted with an elastic device to wear around his penis during sleep; the device detects changes in girth and relays the information to a computer for later analysis. If nocturnal tumescence is detected, then the E.D. is presumed to be due to a psychosomatic illness such as sexual anxiety; if not, then it is presumed to be due to a physiological cause.
References
- "Tests for Erection Problems". WebMD, Inc. Retrieved 2007-03-03.
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External links
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