TAILIEUCHUNG - Chapter 028. Sleep Disorders (Part 4)

Behavioral Correlates of Sleep States and Stages Polysomnographic staging of sleep correlates with behavioral changes during specific states and stages. During the transitional state between wakefulness and sleep (stage 1 sleep), subjects may respond to faint auditory or visual signals without "awakening." Memory incorporation is inhibited at the onset of NREM stage 1 sleep, which may explain why individuals aroused from that transitional sleep stage frequently deny having been asleep. Such transitions may intrude upon behavioral wakefulness after sleep deprivation, notwithstanding attempts to remain continuously awake (see "ShiftWork Disorder," below). Awakenings from REM sleep are associated with recall of vivid dream imagery 80%. | Chapter 028. Sleep Disorders Part 4 Behavioral Correlates of Sleep States and Stages Polysomnographie staging of sleep correlates with behavioral changes during specific states and stages. During the transitional state between wakefulness and sleep stage 1 sleep subjects may respond to faint auditory or visual signals without awakening. Memory incorporation is inhibited at the onset of NREM stage 1 sleep which may explain why individuals aroused from that transitional sleep stage frequently deny having been asleep. Such transitions may intrude upon behavioral wakefulness after sleep deprivation notwithstanding attempts to remain continuously awake see Shift- Work Disorder below . Awakenings from REM sleep are associated with recall of vivid dream imagery 80 of the time. The reliability of dream recall increases with REM sleep episodes occurring later in the night. Imagery may also be reported after NREM sleep interruptions though these typically lack the detail and vividness of REM sleep dreams. The incidence of NREM sleep dream recall can be increased by selective REM sleep deprivation suggesting that REM sleep and dreaming per se are not inexorably linked. Physiologic Correlates of Sleep States and Stages All major physiologic systems are influenced by sleep. Changes in cardiovascular function include a decrease in blood pressure and heart rate during NREM and particularly during slow-wave sleep. During REM sleep phasic activity bursts of eye movements is associated with variability in both blood pressure and heart rate mediated principally by the vagus. Cardiac dysrhythmias may occur selectively during REM sleep. Respiratory function also changes. In comparison to relaxed wakefulness respiratory rate becomes more regular during NREM sleep especially slow-wave sleep and tonic REM sleep and becomes very irregular during phasic REM sleep. Minute ventilation decreases in NREM sleep out of proportion to the decrease in metabolic rate at sleep onset resulting in a .

• Y học thường thức
• Sleep Disorders
• bệnh học và điều trị
• bài giảng bệnh học
• tài liệu học ngành y
• Harrisons Internal Medicine
• Dental management
• Sleep related breathing disorders
• Dental conditions related
• Human sleep
• ABC of sleep medicine
• Sleep medicine
• Normal versus abnormal sleep
• Diagnosing sleep disorders
• Excessive daytime sleepiness
• Sleep apnoea syndromes
• BMC Pulmonary Medicine
• Lung neoplasm
• Sleep related disorders
• Sleep related hypoxaemia
• Lung cancer
• Sleep apnea
• BMC Pediatrics
• Sleep Disturbance Scale for Children
• Cerebral palsy
• Sleep wake transition
• Maturation of Sleep
• CIRCADIAN DYSRHYTHMIAS
• Nonobstructive Sleep
• Neurological Perspective
• Evaluation by the dentist
• Surgical treatment
• Positive airway pressure therapy
• Sleep disordered breathing
• Sleep health
• Odds ratios
• Pediatric Sleep Questionnaire
• BMC Musculoskeletal Disorders
• Sleep quality
• Sleep disturbances
• Cardiorespiratory fitness
• Intermittent training
• Rheumatoid arthritis
• Diabetic complication
• Older patients
• Type 2 diabetic patients
• Poor sleep quality
• BMC Anesthesiology
• Disruptive environment
• Normal sleep habits
• Hypnotic potency
• BMC Geriatrics
• Geriatric depression
• Catastrophizing pain
• Musculoskeletal disorders
• Physical workload
• Psychological stress
• Hospital workers
• Normal Sleep
• Sleep Deprivation
• CIRCADIAN RHYTHM
• Movement Sleep
• Neurophysiologic Mechanisms
• Clinical Pharmacology
• BMC Cancer
• Prostate cancer
• Cohort study
• Disrupted sleep rhythms
• Osteogenesis imperfecta
• PAP therapy
• Obstructive sleep apnea
• Sleep disturbance
• Chronic pain
• Post traumatic stress disorder