WordNet

be able to accommodate for sleeping; "This tent sleeps six people"
be asleep (同)kip, slumber, log Z''s, catch some Z''s
a period of time spent sleeping; "he felt better after a little sleep"; "there wasnt time for a nap" (同)nap
a natural and periodic state of rest during which consciousness of the world is suspended; "he didnt get enough sleep last night"; "calm as a child in dreamless slumber" (同)slumber
a torpid state resembling deep sleep (同)sopor
the suspension of consciousness and decrease in metabolic rate
the state of being asleep

PrepTutorEJDIC

〈U〉『眠り』,『睡眠』[『状態』] / 〈C〉《a sleep》一眠り[の時間] / 〈U〉永眠,死 / 〈U〉(一時的な手足などの)無感覚,しびれ;冬眠(hibernation) / 〈U〉目やに / 『眠る』 / 『文眠なる』,(死んで)葬られている / 〈人〉‘を'泊める[設備がある] / 《a+形容詞+sleepを目的語にして》…‘を'眠る

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/03/02 16:02:33」(JST)

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Not to be confused with Soliloquy.

Somniloquy or sleep-talking is a parasomnia that refers to talking aloud while asleep. It can be quite loud, ranging from simple sounds to long speeches, and can occur many times during sleep. Listeners may or may not be able to understand what the person is saying.^[1] As with sleepwalking and night terrors, sleeptalking usually occurs during delta-wave NREM sleep stages or temporary arousals from them.

Furthermore, it can also occur during REM sleep, at which time it represents a motor breakthrough (see sleep paralysis) of dream speech: words spoken in a dream are spoken out loud. Depending on its frequency, this may or may not be considered pathological. All motor functions are typically disabled during REM sleep; thus, motoric i.e. verbal elaboration of dream content could be considered REM behavior disorder (see below).

Sleep-talking can occur by itself or as a feature of another sleep disorder such as:

Rapid eye movement behavior disorder (RBD) - loud, emotional or profane sleep talking
Sleepwalking
Night terror - intense fear, screaming, shouting
Sleep-related eating disorder (SRED)

Sleep-talking is very common and is reported in 50% of young children, with most of them outgrowing it by puberty, although it may persist into adulthood (about 4% of adults are reported to talk in their sleep). It appears to run in families.^{[citation needed]} Sleep-talking can be associated with a fever.

In 1966, researchers K. Abe and M. Shimakawa worked to find links between heredity and Somniloquy. Their research suggests the following:^[2]

Sleep-talking parents are more likely to have children who sleep-talk
Sleep talking can still occur when neither parent has a history of sleep talking, though this is far less common
A large portion of parents begin to sleep-talk later in life without any prior history of sleep-talking during childhood or adolescence

Sleep-talking by itself is harmless; however, it can wake up others and cause them consternation—especially when misinterpreted as conscious speech by an observer. If the sleep-talking is dramatic, emotional, or profane it may be a sign of another sleep disorder (see above). Sleep-talking can be monitored by a partner or by using an audio recording device; devices which remain idle until detecting a sound wave are ideal for this purpose. Polysomnography (sleep recording) shows episodes of sleep talking that can occur in any stage of sleep.^[1]

References[edit]

^ ^a ^b http://www.webmd.com/sleep-disorders/talking-in-your-sleep Talking in Your Sleep
^ Arkin, Arthur M. (1981). Sleep Talking Psychology and Psychophysiology. L. Erlbaum Associates. pp. 40–41. ISBN 0-89859-031-0.

External links[edit]

OSF Healthcare
The Sleep Well
Somniloquies in the form of albums and books by Bryan Lewis Saunders

UpToDate Contents

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1. 睡眠中の異常運動および異常行動に対するアプローチ approach to abnormal movements and behaviors during sleep
2. 成人におけるノンレム睡眠からの覚醒障害 disorders of arousal from non rapid eye movement sleep in adults
3. 睡眠医学の最新情報 whats new in sleep medicine
4. 中枢型睡眠無呼吸症候群を有する成人患者における陽圧呼吸調整法のモード選択 mode selection for positive airway pressure titration in adult patients with central sleep apnea syndromes
5. 急速眼球運動睡眠行動障害 rapid eye movement sleep behavior disorder

English Journal

Propriospinal myoclonus: The spectrum of clinical and neurophysiological phenotypes.

Antelmi E1, Provini F2.
Sleep medicine reviews.Sleep Med Rev.2015 Aug;22:54-63. doi: 10.1016/j.smrv.2014.10.007. Epub 2014 Nov 6.
Propriospinal myoclonus (PSM) is a rare type of spinal myoclonus characterized by muscle jerks that usually start in the midthoracic segments and then slowly propagate up and down into the spinal cord, resulting in repetitive and irregular jerky flexion, or extension of the trunk, neck, knees and hi
PMID 25500332

Catechol-O-methyltransferase, dopamine, and sleep-wake regulation.

Dauvilliers Y1, Tafti M2, Landolt HP3.
Sleep medicine reviews.Sleep Med Rev.2015 Aug;22:47-53. doi: 10.1016/j.smrv.2014.10.006. Epub 2014 Oct 27.
Sleep and sleep disorders are complex and highly variable phenotypes regulated by many genes and environment. The catechol-O-methyltransferase (COMT) gene is an interesting candidate, being one of the major mammalian enzymes involved in the catabolism of catecholamines. The activity of COMT enzyme i
PMID 25466290

Exposure to violence, social cognitive processing, and sleep problems in urban adolescents.

Kliewer W1, Lepore SJ.
Journal of youth and adolescence.J Youth Adolesc.2015 Feb;44(2):507-17. doi: 10.1007/s10964-014-0184-x. Epub 2014 Sep 14.
Exposure to violence is associated with elevated levels of sleep problems in adolescence, which contributes to poor mental and physical health and impaired academic performance. However, reasons underlying the associations between exposure to violence and sleep difficulty have not been examined. Thi
PMID 25218396

Japanese Journal

A Brainwave Signal Measurement and Data Processing Technique for Daily Life Applications

Yasui Yoshitsugu
Journal of physiological anthropology 28(3), 145-150, 2009-05
… Continuous measurements during day and night provide a brainwave profile including wake and sleep states that can consistently explain states of human awareness. … Test results in terms of brain wave state show that the pattern while driving is changed by specific activity such as when talking on a mobile phone. …
NAID 110007226161