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Dream sleep

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https://www.readbyqxmd.com/read/29778917/favorite-odor-induces-negative-dream-emotion-during-rapid-eye-movement-sleep
#1
Satomi Okabe, Kazuhiko Fukuda, Hiroko Mochizuki-Kawai, Kazuo Yamada
OBJECTIVE: As connections between nightmares and various psychiatric disorders have been reported, the clinical significance of studying dream emotionality is now growing in importance. Because the olfactory bulb connects directly to the amygdala odor presentation may be a crucial tool to study dream emotions. Previous studies have demonstrated that presentation of positive/negative odors during rapid eye movement (REM) sleep affects various aspects of dreaming. Although olfactory perception can be influenced by personal experiences, the role of individual preferences in the effects of olfactory stimuli on dreaming has not yet been clarified...
April 19, 2018: Sleep Medicine
https://www.readbyqxmd.com/read/29758338/how-do-children-fall-asleep-a-high-density-eeg-study-of-slow-waves-in-the-transition-from-wake-to-sleep
#2
Mathilde Spiess, Giulio Bernardi, Salome Kurth, Maya Ringli, Flavia M Wehrle, Oskar G Jenni, Reto Huber, Francesca Siclari
INTRODUCTION: Slow waves, the hallmarks of non-rapid eye-movement (NREM) sleep, are thought to reflect maturational changes that occur in the cerebral cortex throughout childhood and adolescence. Recent work in adults has revealed evidence for two distinct synchronization processes involved in the generation of slow waves, which sequentially come into play in the transition to sleep. In order to understand how these two processes are affected by developmental changes, we compared slow waves between children and young adults in the falling asleep period...
May 17, 2018: NeuroImage
https://www.readbyqxmd.com/read/29755349/ibogaine-acute-administration-in-rats-promotes-wakefulness-long-lasting-rem-sleep-suppression-and-a-distinctive-motor-profile
#3
Joaquín González, José P Prieto, Paola Rodríguez, Matías Cavelli, Luciana Benedetto, Alejandra Mondino, Mariana Pazos, Gustavo Seoane, Ignacio Carrera, Cecilia Scorza, Pablo Torterolo
Ibogaine is a potent psychedelic alkaloid that has been the focus of intense research because of its intriguing anti-addictive properties. According to anecdotic reports, ibogaine has been originally classified as an oneirogenic psychedelic; i.e., induces a dream-like cognitive activity while awake. However, the effects of ibogaine administration on wakefulness (W) and sleep have not been thoroughly assessed. The main aim of our study was to characterize the acute effects of ibogaine administration on W and sleep...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29751698/-pharmacological-effect-of-schisandrae-chinensis-fructus-and-relative-active-components-on-cardiovascular-and-cerebrovascular-diseases
#4
Min-Yu Zhang, Hong-Wei Wu, Li-Ping Xu, Hong-Jun Yang
Cardiovascular and cerebrovascular diseases (CCDs) are the primary causes of death in Chinese adults. With the increase in morbidity and mortality rates and the decrease in the age of onset, CCD becomes a very natural target for traditional Chinese medicine. Schisandrae Chinensis Fructus (SCF) is the dry ripe fruit of Schisandra chinensis (Turcz.) Baill., which features a sweet and sour taste and the effects of calming the heart and tranquilizing the mind. It is mainly used for treatment of dysphoria and palpitation, insomnia and dreamful sleep due to the lack of spirit preservation...
April 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29734981/sleep-disturbances-in-australian-vietnam-veterans-with-and-without-posttraumatic-stress-disorder
#5
Timothy Baird, Sarah McLeay, Wendy Harvey, Rebecca Theal, Dayna Law, Robyn O'Sullivan
STUDY OBJECTIVES: Posttraumatic stress disorder (PTSD) is a condition that may develop after a traumatic event, particularly combat-related trauma. Although sleep disturbance is a hallmark of PTSD, the prevalence of sleep disturbances in Australian veterans with PTSD remains uncertain. This study aimed to subjectively compare the prevalence of sleep disturbances in Australian Vietnam veterans with and without PTSD. METHODS: A cross-sectional cohort study compared trauma-exposed Australian Vietnam veterans with and without PTSD...
April 30, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29693445/qualitative-development-and-content-validation-of-the-promis-pediatric-sleep-health-items
#6
Katherine B Bevans, Lisa J Meltzer, Anna De La Motte, Amy Kratchman, Dominique Viél, Christopher B Forrest
OBJECTIVE: To develop the Patient Reported Outcome Measurement Information System (PROMIS) Pediatric Sleep Health item pool and evaluate its content validity. PARTICIPANTS: Participants included 8 expert sleep clinician-researchers, 64 children ages 8-17 years, and 54 parents of children ages 5-17 years. METHODS: We started with item concepts and expressions from the PROMIS Sleep Disturbance and Sleep Related Impairment adult measures. Additional pediatric sleep health concepts were generated by expert (n = 8), child (n = 28), and parent (n = 33) concept elicitation interviews and a systematic review of existing pediatric sleep health questionnaires...
April 25, 2018: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/29686598/sleep-related-problems-as-a-nonmotor-symptom-of-dentatorubropallidoluysian-atrophy
#7
Hyeyun Kim, Ji Young Yun, Kyoung-Gyu Choi, Heasoo Koo, Hyun Jeong Han
Dentatorubropallidoluysian atrophy (DRPLA) is a neurodegenerative disease caused by an expansion of a cytosine-adenine-guanine (CAG) repeat encoding a polyglutamine tract in the atrophin-1 protein. Unlike other CAG repeat diseases, sleep related problems have not been reported in patients with DRPLA. There was a 65-year-old man and his family with DRPLA. They suffered from seizure, gait disturbance, and cognitive decline. The patients commonly showed dream enacting sleep disorder, insomnia. The results from overnight polysomnography showed rapid eye movement (REM) without atonia in patients with DRPLA...
April 23, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29682834/the-nature-of-delayed-dream-incorporation-dream-lag-effect-personally-significant-events-persist-but-not-major-daily-activities-or-concerns
#8
Jean-Baptiste Eichenlaub, Elaine van Rijn, Mairéad Phelan, Larnia Ryder, M Gareth Gaskell, Penelope A Lewis, Matthew P Walker, Mark Blagrove
Incorporation of details from waking life events into rapid eye movement (REM) sleep dreams has been found to be highest on the 2 nights after, and then 5-7 nights after, the event. These are termed, respectively, the day-residue and dream-lag effects. This study is the first to categorize types of waking life experiences and compare their incorporation into dreams across multiple successive nights. Thirty-eight participants completed a daily diary each evening and a dream diary each morning for 14 days. In the daily diary, three categories of experiences were reported: major daily activities (MDAs), personally significant events (PSEs) and major concerns (MCs)...
April 22, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29681873/an-attempt-at-matching-waking-events-into-dream-reports-by-independent-judges
#9
Jia Xi Wang, He Yong Shen
Correlations between memories and dreaming has typically been studied by linking conscious experiences and dream reports, which has illustrated that dreaming reflects waking life events, thoughts, and emotions. As some research suggests that sleep has a function of memory consolidation, and dreams reflect this, researching this relationship further may uncover more useful insights. However, most related research has been conducted using the self-report method which asks participants to judge the relationship between their own conscious experiences and dreams...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29675056/medieval-islamic-scholarship-and-writings-on-sleep-and-dreams
#10
Ahmed S BaHammam, Aljohara S Almeneessier, Seithikurippu R Pandi-Perumal
Islamic civilization between the 7th and the 15th centuries made great contributions to the development of science and medicine, and discoveries made during this time formed the basis for the emergence of the European Renaissance. Muslims view sleep as one of the great signs of Allāh , and a number of Muslim scholars studied and wrote on sleep and dreams. However, Muslim scholars' contributions to this topic have not been adequately represented in modern scholarship. Islamic scholars did far more than simply act as the preservers of the antiquity and Greek knowledge, but rather laid significant foundation, translation, interpretation, and transference of knowledge and experience, and have contributed original works in many fields of science and medicine including sleep...
April 2018: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/29665762/effects-of-vitamin-b6-pyridoxine-and-a-b-complex-preparation-on-dreaming-and-sleep
#11
Denholm J Aspy, Natasha A Madden, Paul Delfabbro
Anecdotal evidence indicates that supplementation with vitamin B6 (pyridoxine) before bed can enhance dream vividness and recall. In a single pilot study, Ebben, Lequerica, and Spielman (2002) found that vitamin B6 had a dose-dependent effect of increasing scores on a composite measure of dream vividness, bizarreness, emotionality, and color. The present research replicated this study using a larger and more diverse sample of 100 participants from across Australia. We conducted a randomized, double-blind, placebo-controlled investigation of the effects on dreaming and sleep of ingesting 240 mg vitamin B6 (pyridoxine hydrochloride) before bed for five consecutive days...
January 1, 2018: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29664058/relationships-between-rapid-eye-movement-sleep-behavior-disorder-and-neurodegenerative-diseases-clinical-assessments-biomarkers-and-treatment
#12
REVIEW
Min Li, Li Wang, Jiang-Hong Liu, Shu-Qin Zhan
Objective: Rapid eye movement sleep behavior disorder (RBD) is characterized by dream enactment and loss of muscle atonia during rapid eye movement sleep. RBD is closely related to α-synucleinopathies including Parkinson's disease, dementia with Lewy bodies, and multiple system atrophy. Many studies have investigated the markers of imaging and neurophysiological, genetic, cognitive, autonomic function of RBD and their predictive value for neurodegenerative diseases. This report reviewed the progress of these studies and discussed their limitations and future research directions...
April 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29644271/venlafaxine-induced-rem-sleep-behavioral-disorder-presenting-as-two-fractures
#13
R Ryan Williams, Gustavo Sandigo
Rapid eye movement (REM) sleep behavioral disorder is characterized by the absence of muscular atonia during REM sleep. In this disorder, patients can violently act out their dreams, placing them at risk for traumatic fractures during these episodes. REM sleep behavioral disorder (RBD) can be a sign of future neurodegenerative disease and has also been found to be a side effect of certain psychiatric medications. We present a case of venlafaxine-induced RBD in a 55 year old female who presented with a 13 year history of intermittent parasomnia and dream enactment in addition to a recent history of two fractures requiring intervention...
October 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29623062/lucid-dreaming-intensity-but-not-frequency-is-inversely-related-to-psychopathology
#14
Liat Aviram, Nirit Soffer-Dudek
Lucid dreaming (LD) is awareness that one is dreaming, during the dream state. However, some define and assess LD relying also on controlling dream events, although control is present only in a subset of lucid dreams. LD has been claimed to represent well-being, and has even been used as a therapeutic agent. Conversely, LD is associated with mixed sleep-wake states, which are related to bizarre cognitions, stress, and psychopathology, and have been construed as arousal permeating and disrupting sleep. We propose that previous conflicting findings regarding relations between LD and both psychopathology and well-being, stem from the non-differentiated assessment of frequency and control...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29607497/low-dose-naltrexone-for-induction-of-remission-in-crohn-s-disease
#15
REVIEW
Claire E Parker, Tran M Nguyen, Dan Segal, John K MacDonald, Nilesh Chande
BACKGROUND: Crohn's disease is a transmural, relapsing inflammatory condition afflicting the digestive tract. Opioid signalling, long known to affect secretion and motility in the gut, has been implicated in the inflammatory cascade of Crohn's disease. Low dose naltrexone, an opioid antagonist, has garnered interest as a potential therapy. OBJECTIVES: The primary objective was to evaluate the efficacy and safety of low dose naltrexone for induction of remission in Crohn's disease...
April 1, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29606318/kleine-levin-syndrome-a-neuropsychiatric-disorder
#16
REVIEW
I Arnulf, E Groos, P Dodet
Kleine-Levin syndrome (KLS) is a rare, relapsing-remitting disease that affects mostly adolescents. It is characterized by episodes lasting from 1 to several weeks, and comprises neurological (hypersomnia, confusion, slowness, amnesia) and neuropsychiatric symptoms (derealization and apathy). Some psychiatric symptoms (megaphagia, hypersexuality, anxiety, depressed mood, hallucinations, delusions) arise during episodes, albeit less frequently, while patients are normal between episodes. However, sudden severe (>18h/day of sleep) and recurrent hypersomnia helps to differentiate KLS from other psychiatric mimics...
March 30, 2018: Revue Neurologique
https://www.readbyqxmd.com/read/29593204/modafinil-dependence-a-case-with-attention-deficit-hyperactivity-disorder
#17
Huseyin Alacam, Omer Basay, Selim Tumkaya, Mehmet Mart, Gokce Kar
Modafinil is generally known as a drug with low addiction potential. There are few case reports in the literature demonstrating that Modafinil, stated being capable of diminishing symptoms of attention deficit/hyperactivity disorder (ADHD), causes addiction. In the present article a Modafinil addicted ADHD case, consuming usurious doses (5,000 mg/per day) of Modafinil is presented. The case presented to our psychiatry outpatient clinic due to: requirement of in taking high dose Modafinil in order to achieve the initial effects, difficulty in obtaining the drug, irritability, anxiousness, sleep irregularities, fatigue and unpleasant vivid dreams when he did not use the drug...
March 30, 2018: Psychiatry Investigation
https://www.readbyqxmd.com/read/29592939/books-why-we-sleep-the-new-science-of-sleep-and-dreams-wake-up-to-sleep
#18
Roger Jones
No abstract text is available yet for this article.
April 2018: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/29589068/a-history-of-binge-drinking-during-adolescence-is-associated-with-poorer-sleep-quality-in-young-adult-mexican-americans-and-american-indians
#19
Cindy L Ehlers, Derek Wills, David A Gilder
RATIONALE: Binge drinking during adolescence is common, and adolescents and young adults with alcohol problems may also have sleep difficulties. However, few studies have documented the effects of a history of adolescent binge drinking on sleep in young adulthood in high-risk minority populations. OBJECTIVES: To quantify sleep disturbance, as indexed by the Pittsburgh Sleep Quality Index (PSQI), in a sample of young adult Mexican American and American Indian men and women (18-30 years, n = 800) with and without a history of alcohol binge drinking during adolescence, controlling for age, gender, and race...
March 27, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29581904/nightmare-and-abnormal-dreams-rare-side-effects-of-metformin
#20
Theo Audi Yanto, Ian Huang, Felicia Nathania Kosasih, Nata Pratama Hardjo Lugito
Background: Metformin is widely known as an antidiabetic agent which has significant gastrointestinal side effects, but nightmares and abnormal dreams as its adverse reactions are not well reported. Case Presentation: Herein we present a case of 56-year-old male patient with no known history of recurrent nightmares and sleep disorder, experiencing nightmare and abnormal dreams directly after consumption of 750 mg extended release metformin. He reported his dream as an unpleasant experience which awakened him at night with negative feelings...
2018: Case Reports in Endocrinology
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