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Medical recording of sleep activity
A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test
Sleep_study
Naturally recurring resting state of mind and body
Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there
Sleep
Medical condition
Sexsomnia, also known as sleep sex, is a distinct form of parasomnia, or an abnormal activity that occurs while an individual is asleep. Sexsomnia is
Sleep_sex
Phase of sleep characterized by random and rapid eye movements
Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in all mammals (including humans) and birds and in some reptiles, characterized
Rapid_eye_movement_sleep
Condition of not having enough sleep
Sleep deprivation, also known as sleep insufficiency or sleeplessness, is the health condition of not having adequate duration or quality of sleep to support
Sleep_deprivation
Sleeping disorder
of REM sleep. This study supports the observation that disturbance of regular sleeping patterns can precipitate an episode of sleep paralysis, because
Sleep_paralysis
Medical disorder of a person's sleep patterns
Classification of Sleep Disorders Sleep study Sleep hygiene Sleep diary Sleep problems in women K Pavlova M, Latreille V (March 2019). "Sleep Disorders". The
Sleep_disorder
Disorder involving pauses in breathing during sleep
Sleep apnea (sleep apnoea or sleep apnœa in British English) is a sleep-related breathing disorder in which repetitive pauses in breathing, periods of
Sleep_apnea
American sleeplessness world record holder
insomnia around 2007, decades after his sleep experiment, and believed his participation in the 1960s sleep study was to blame. According to news reports
Randy Gardner sleep deprivation experiment
Randy_Gardner_sleep_deprivation_experiment
Human sleep disorder
include excessive daytime sleepiness (EDS), sleep-related hallucinations, sleep paralysis, disturbed nocturnal sleep (DNS), and cataplexy. People with narcolepsy
Narcolepsy
Sleep pattern with more than one period of sleep in a 24-hour period
observational studies have supported a theory of biphasic sleep in humans. Polyphasic sleep is common in many animals, and is believed to be the ancestral sleep state
Polyphasic_sleep
Disorder causing trouble with sleeping
working night shifts and sleep apnea. Diagnosis is based on sleep habits and an examination to look for underlying causes. A sleep study may be done to look
Insomnia
Multi-parameter study of sleep and sleep disorders
Polysomnography (PSG) is a multi-parameter type of sleep study and a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also
Polysomnography
Type of progressive dementia
workup may include blood tests, neuropsychological tests, imaging, and sleep studies. A definitive diagnosis usually requires an autopsy. Most people with
Dementia_with_Lewy_bodies
Temporary episode of sleep or drowsiness
A microsleep is a sudden temporary episode of sleep or drowsiness which may last for a few seconds where an individual fails to respond to some arbitrary
Microsleep
Formula used in sleep studies
polysomnography (sleep study) findings. Like the apnea-hypopnea index (AHI), it reports on respiratory distress events during sleep, but unlike the AHI
Respiratory_disturbance_index
Measurement of sleep duration
important parameter of a sleep study. Sleep efficiency is often described as the ratio between time spent asleep ("total sleep time (TST)"), and time spent
Sleep_efficiency
Medical condition
Non-24-hour sleep–wake disorder (non-24, N24SWD, or N24) is one of several chronic circadian rhythm sleep disorders (CRSDs). It is defined as a "chronic
Non-24-hour sleep–wake disorder
Non-24-hour_sleep–wake_disorder
Medical specialty
1970s by interested physicians and technicians; the study, diagnosis and treatment of obstructive sleep apnea were their first tasks. As late as 1999, virtually
Sleep_medicine
Form of sleep involving negligible eye movement
movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4. Rapid eye movement sleep (REM)
Non-rapid_eye_movement_sleep
Medical condition
heart catheterization, electrophysiology study, echocardiogram, and extensive blood work, and possibly a sleep study, a cardiologist may rule out a heart
Roemheld_syndrome
2020 horror film
Liboiron. The film plot follows a teenage runaway who takes part in a sleep study that becomes a nightmarish descent into the depths of her mind and a
Come_True
Sleeping phenomenon combined with wakefulness
somnambulism or noctambulism, is a phenomenon of combined sleep and wakefulness. It is classified as a sleep disorder belonging to the parasomnia family. It can
Sleepwalking
Sleep disorder causing feelings of panic or dread
Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage
Night_terror
American television series
The Edge of Sleep is an American psychological horror television miniseries written by Jake Emanuel and Willie Block and directed by Corey Adams, based
The_Edge_of_Sleep_(TV_series)
Cumulative effect of not getting enough sleep
Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely
Sleep_debt
Sleep is broadly considered a biological necessity in virtually all animals. The large majority of such taxa with documented sleep physiology are bilaterians
Sleep_in_animals
Physiological nature of sleep
neuroscience of sleep is the study of the neuroscientific and physiological basis of the nature of sleep and its functions. Traditionally, sleep has been studied
Neuroscience_of_sleep
Family of sleep disorders that affect the timing of sleep
sleep disorders (CRSD), also known as circadian rhythm sleep–wake disorders (CRSWD), are a family of sleep disorders that affect the timing of sleep.
Circadian rhythm sleep disorder
Circadian_rhythm_sleep_disorder
Sleep disorder
An overnight sleep study is usually not needed to detect this disorder, but may be indicated if other sleep disorders, such as sleep apnea and periodic
Irregular sleep–wake rhythm disorder
Irregular_sleep–wake_rhythm_disorder
Coding resource for sleep and sleep-related disorders
and the Association for the Psychophysiological Study of Sleep and was published in the journal Sleep in 1979. A second edition, called ICSD-2, was published
International Classification of Sleep Disorders
International_Classification_of_Sleep_Disorders
Upper airway closure disrupting sleep
Obstructive sleep apnea (OSA) is the most common sleep-related breathing disorder. This type of sleep apnea is characterized by recurrent episodes of
Obstructive_sleep_apnea
Method of scalp electrodes placement
polysomnograph sleep study, or voluntary lab research. This method was developed to maintain standardized testing methods ensuring that a subject's study outcomes
10–20_system_(EEG)
Prion disease of the human brain
insomnia is a neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. The majority of cases are familial (fatal familial
Fatal_insomnia
Reversal of sleeping tendencies
Sleep inversion or sleep-wake inversion is a reversal of sleeping tendencies. Individuals experiencing sleep-wake inversion replace diurnal habits for
Sleep_inversion
Chronic sleep disorder
Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of
Delayed_sleep_phase_disorder
Sleep-related disorder in which the effort to breathe is diminished
Central sleep apnea (CSA) or central sleep apnea syndrome (CSAS) is a sleep-related disorder in which the effort to breathe is diminished or absent, typically
Central_sleep_apnea
Medical intervention
nap opportunities set two hours apart, often following an overnight sleep study. During the test, data such as the patient's brain waves, EEG, muscle
Multiple_Sleep_Latency_Test
Medical condition
life. There have been many studies suggesting health risks associated with shift work. Many studies have associated sleep disorders with decreased bone
Shift_work_sleep_disorder
Short period of sleep during typical waking hours
A nap is a short period of sleep, typically taken during daytime hours as an adjunct to the usual nocturnal sleep period. Naps are most often taken as
Nap
Sleep disorder
movement disorder (PLMD) is a sleep disorder where the patient moves limbs involuntarily and periodically during sleep, and has symptoms or problems related
Periodic limb movement disorder
Periodic_limb_movement_disorder
Drug whose use induces sleep
A hypnotic (from Greek Hypnos, sleep), also known as a somnifacient or soporific, and commonly known as sleeping pills, are a class of psychoactive drugs
Hypnotic
Abnormal sensory perception during sleep
Exploding head syndrome (EHS) is classified as a sleep disorder or headache disorder. It occurs when someone falls asleep or wakes up to loud auditory
Exploding_head_syndrome
Breathing method in humans
it is an adaptation to nasal congestion, and frequently occurs during sleep. [failed verification] More specialized causes include: antrochoanal polyps;
Mouth_breathing
Study of respiratory diseases
(especially in lung cancer) Polysomnography (sleep studies) is commonly used for the diagnosis of sleep apnea Major surgical procedures on the heart and
Pulmonology
Abnormality in breathing during sleep
thoracic muscle contraction. Sleep apnea is measured by the apnea-hypopnea index (AHI). An AHI is determined with a sleep study. AHI values for adults are
Sleep-related breathing disorder
Sleep-related_breathing_disorder
Perception of a patch of shadow as a living, humanoid figure
depicts a fictional sleep study conducted during the 1970s in which patients report seeing shadowy intruders before dying in their sleep. The film follows
Shadow_person
The majority of studies on sleep creativity have shown that sleep can facilitate insightful behavior and flexible reasoning, and there are several hypotheses
Sleep_and_creativity
Sleep in birds
studies indicate that the birds are still sleeping; the voltage level in the brain is identical. Birds restore their arousal thresholds during sleep.
Avian_sleep
Dream where one is aware that one is dreaming
(1978). "Searching for lucid dreams". Sleep Research. 7: 165. Harms, R. (n.d.). "Polysomnography (sleep study). Definition". Mayo Clinic. Archived from
Lucid_dream
Medical condition
Advanced sleep phase disorder (ASPD), also known as the advanced sleep-phase type (ASPT) of circadian rhythm sleep disorder, is a condition that is characterized
Advanced_sleep_phase_disorder
Rare neurological disorder
coordination sometimes worsen. Sleep studies of KLS show varying results based on the period the patient is observed. Slow wave sleep is often reduced at the
Kleine–Levin_syndrome
Industry-funded nonprofit
concerning sleep. It is largely funded by pharmaceutical and medical device companies. In 2015 NSF released the results of a research study on sleep duration
National_Sleep_Foundation
Involuntary urination while asleep
laundry. Wetting episodes can cause lost sleep if the child wakes and/or cries, waking the parents. A European study estimated that a family with a child
Nocturnal_enuresis
Vibratory sound made while asleep
rule out obstructive sleep apnea and all other sleep-related respiratory disorders. This usually requires an overnight sleep study (polysomnography), which
Snoring
sleep, that studies focusing on the effect of specific sleep stages on memory were conducted. As behavioral characteristics of the effects of sleep and
Sleep_and_memory
includes sleep. Current studies demonstrate that a healthy sleep produces a significant learning-dependent performance boost. The idea is that sleep helps
Sleep_and_learning
Medical condition
Rapid eye movement sleep behavior disorder, or REM sleep behavior disorder (RBD), is a sleep disorder in which people act out their dreams. It involves
Rapid eye movement sleep behavior disorder
Rapid_eye_movement_sleep_behavior_disorder
Spontaneous erection during or after sleep
erection of the penis during sleep or when waking up. Along with nocturnal clitoral tumescence, it is also known as sleep-related erection. Colloquially
Nocturnal_penile_tumescence
Mechanical ventilation in which airway pressure is always above atmospheric pressure
airways open. It is used primarily to treat sleep-related breathing disorders, especially obstructive sleep apnea, and is also applied in hospital and
Positive_airway_pressure
Practitioner in cardio-pulmonary medicine
sleep study, as well as the medical history and physical exam to make the diagnosis and decide on treatment related to sleep-disorders. A sleep study
Respiratory_therapist
Italian neuroscientist, psychiatrist, and professor (born 1960)
and collaborators have pioneered several complementary approaches to study sleep: genomics proteomics fruit fly models rodent models employing multiunit
Giulio_Tononi
Process of quantitatively measuring a person's sleep
that tracks a person's sleep is called a sleep tracker. Sleep tracking may be beneficial in diagnosing sleep disorders. As sleep abnormalities are also
Sleep_tracking
Spontaneous sleep orgasm
A wet dream, sex dream or sleep orgasm is a spontaneous occurrence of sexual arousal during sleep that includes ejaculation (nocturnal emission) and orgasm
Nocturnal_emission
Medical condition
Familial natural short sleep is a rare, genetic, typically inherited trait where an individual sleeps for fewer hours than average without suffering from
Familial_natural_short_sleep
EEG waveform that occurs during sleep
brain from external disturbances during sleep. Another study found that re-exposure to olfactory cues during sleep initiate reactivation, an essential part
Sleep_spindle
Scientific study of sleep
Somnology is the scientific study of sleep. It includes clinical study and treatment of sleep disorders and irregularities. Sleep medicine is a subset of
Somnology
Medical association
Sleep and weight is the association between the amount of sleep an individual obtains and the weight of that individual. Numerous studies have demonstrated
Sleep_and_weight
Medical symptom
Non-restorative sleep (NRS), also known as unrefreshing sleep, is a subjective symptom in which sleep is experienced as insufficiently refreshing and
Non-restorative_sleep
Grinding or clenching of the teeth
shown that the majority (86%) of sleep bruxism episodes occur during periods of sleep arousal. One study reported that sleep arousals which were experimentally
Bruxism
Psychological phenomenon
sleep in response to a perceived lack of control over the events of the day. The term "bedtime procrastination" became popular based on a 2014 study from
Bedtime_procrastination
2017 British film by Jonathan Hopkins
explanation. Now an adult, Alice works at the Whittingham Sleep Clinic, where she conducts overnight studies on patients suffering from parasomnias. She is logical
Slumber_(film)
Protected area in Montana, United States
Sleeping Giant Wilderness Study Area is a non-motorized recreation area located on the west side of the Missouri River and Holter Lake located about 30
Sleeping Giant Wilderness Study Area
Sleeping_Giant_Wilderness_Study_Area
Period of sleep in humans and other animals
Slow-wave sleep (SWS), often referred to as deep sleep, is the third stage of non-rapid eye movement sleep (NREM), where electroencephalography activity
Slow-wave_sleep
Academic journal
Sleep is a monthly peer-reviewed medical journal covering research on sleep. Topics include basic and neuroscience studies of sleep, in vitro and animal
Sleep_(journal)
Lowest wage rate at which a worker would be willing to accept a particular type of job
individual might happily do a sleep study for $10 an hour but would need $40 an hour to work as a bus driver. There have been many studies on the effect of unemployment
Reservation_wage
American feral child (born 1957)
child to undergo any detailed study of her brain. They determined her brain was intact, and Shurley's sleep-studies found sleep patterns typical of a left-hemisphere
Genie_(feral_child)
Typically poor in duration and quality
Adolescent sleep is typically poor in duration and quality. Sleep duration and quality reduce to suboptimal levels, and sleep duration variability and
Adolescent_sleep
State of consciousness leading into sleep
wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. Its corresponding state is hypnopompia—sleep to wakefulness
Hypnagogia
Natural internal process that regulates the sleep-wake cycle
turn it off when they wanted to sleep. Electric light in the evening delayed their circadian phase. A more stringent study conducted in 1999 by Harvard University
Circadian_rhythm
2011 manslaughter trial in California, US
not natural sleep and could be a hazard. "I tried to wean him off it with his knowledge to have more natural sleep. I had never seen any study where someone
People_v._Murray
Babies and young children sleeping near parents
co-sleeping had significant problems with sleep later in life, the study concluded that the parental behaviors were a reaction to already-present sleep difficulties
Co-sleeping
Strategy meant to facilitate initial sleep onset
cognitive strategy meant to facilitate initial sleep onset, or subsequent sleep onset after early awakening from sleep. The cognitive shuffle was developed by
Cognitive_shuffle
Involuntary twitching while falling asleep
anxiety in some individuals and a disruption to their sleep onset. According to a study on sleep disturbances in the Journal of Neural Transmission, a
Hypnic_jerk
Quantitative measure of the tendency to fall asleep
In sleep science, sleep onset latency (SOL) is the length of time that it takes to accomplish the transition from full wakefulness to sleep, normally to
Sleep_onset_latency
Parental intervention technique
Sleep training (sometimes known as sleep coaching) is a set of parental (or caregiver) intervention techniques with the end goal of increasing nightly
Infant_sleep_training
Clitoral erection during or after sleep
occasionally, sleep orgasms. The phenomenon was first documented in 1970 by Karacan et al., with a single aforementioned follow-up study in 1983 by Fisher
Nocturnal_clitoral_tumescence
Medical specialty
the senses. Polysomnography: A type of sleep study employed to diagnose disorders associated with abnormal sleep behavior Intraoperative monitoring, Intraoperative
Clinical_neurophysiology
Effects of stress on sleep patterns
stress and sleep is complex and not fully understood. In fact, many studies have found a bidirectional relationship between stress and sleep. This means
Psychological stress and sleep
Psychological_stress_and_sleep
Behavioral sleep medicine (BSM) is a field within sleep medicine that encompasses scientific inquiry and clinical treatment of sleep-related disorders
Behavioral_sleep_medicine
Genetic disorder
exercises. Some characteristic airway features can lead to obstructive sleep apnea in around half of those with Down syndrome. Other common features
Down_syndrome
Specific application of intentional sleep deprivation
number of sleep deprivation treatments. Chronic sleep deprivation is dangerous and in modern research studies it is no longer common to repeat sleep deprivation
Wake_therapy
Classification of Sleep Disorders published in 2005 and their committee for the development of the sleep study scoring criteria for the sleep related movement
Arthur_Scott_Walters
Phenomenon of talking while asleep
Polysomnography (sleep recording) shows that episodes of sleep talking can occur in any stage of sleep. Stress can also cause sleep talking. In one study, about
Sleep-talking
American businessman (1870–1934)
sleep research program with the goal of perfecting the art of sleep. The first sleep study observed the nocturnal habits of twelve young men for several
Zalmon_Gilbert_Simmons_II
A sleep position is the body configuration assumed by a person during or prior to sleeping. The topic of sleep position has been covered throughout history
Sleep_position
result, blood glucose levels return to normal. Several studies suggest that the association between sleep loss, obesity, and diabetes risk, may be driven by
Sleep_and_metabolism
circadian and sleep-wake processes shows that they play an important role in the etiology and maintenance of bipolar disorder. Previous studies showed that
Sleep_in_bipolar_disorder
Sleep disorder of unknown cause
and body Sleep medicine – Medical specialty Sleep hygiene – Set of practices around healthy sleeping Sleep study – Medical recording of sleep activity
Idiopathic_hypersomnia
Field of research
Statistical concerns in dream studies are another cause of methodological issues. Many investigators used small samples for sleep studies and statistical parametric
Cognitive neuroscience of dreams
Cognitive_neuroscience_of_dreams
SLEEP STUDY
SLEEP STUDY
Girl/Female
Tamil
Sleep
Girl/Female
Hindu, Indian
Sleep
Girl/Female
Christian, Finnish, French, German, Hebrew, Indian, Swedish
Ewe; Sheep; Female Sheep
Boy/Male
Latin
Sleep.
Girl/Female
Assamese, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Sleep
Surname or Lastname
English
English : unexplained.
Girl/Female
Australian, Indian, Tamil
Sleep
Girl/Female
Indian, Sanskrit
Meditation Sleep
Boy/Male
American, Australian, French, German, Portuguese
Sheep
Girl/Female
Hindu
Sleep, Night
Girl/Female
Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Sun; Sleep
Girl/Female
Indian
Goddess of sleep.
Boy/Male
Greek
God of sleep.
Girl/Female
Tamil
Sleep, Night
Girl/Female
Tamil
Sleep
Girl/Female
Bengali, Indian
Sleep
Girl/Female
American, Australian, British, English
Sheep
Girl/Female
Hindu
Sleep
Surname or Lastname
English (mainly Devon)
English (mainly Devon) : variant of Slape.
Surname or Lastname
English
English : variant of Sly.
SLEEP STUDY
SLEEP STUDY
Female
English
Anglicized form of Hebrew Tsiyba, ZIBA means "a plant." In the bible, this is the name of a servant of Saul.
Girl/Female
Hindu, Indian, Marathi, Sanskrit
Accomplishment; Attainment
Boy/Male
Hindu
Lord of men leader, Master of men
Surname or Lastname
English
English : variant of Saylor.
Boy/Male
Muslim
Eminent, Exalted, High, Sublime, Similar
Boy/Male
Hindu
Lord Murugan name
Surname or Lastname
Jewish (Ashkenazic)
Jewish (Ashkenazic) : occupational name for a cantor in a synagogue, from Yiddish zinger ‘singer’.English : variant of Sanger 2, in fact a Middle English recoinage from the verb sing(en) ‘to sing’.German : variant of Sänger (see Sanger 1) in the sense of ‘poet’.Isaac Merrit Singer, inventor of the eponymous sewing machine, was born in 1811 in Pittstown, NY, the son of German immigrant Adam Reisinger. He had five wives and fathered 24 children. Singer, who incorporated his company as the Singer Manufacturing Company in 1864, left a fortune worth $13 million to his various heirs.
Girl/Female
Arabic, Muslim
Exalted; High; Name of a Sahabi RA
Male
Irish
Irish Gaelic form of French Henri, ÉINRà means "home-ruler."
Boy/Male
Biblical
Fire of the sun.
SLEEP STUDY
SLEEP STUDY
SLEEP STUDY
SLEEP STUDY
SLEEP STUDY
a. & adv.
In a state of sleep; in sleep; dormant.
n.
Drowsy; inclined to, or overcome by, sleep.
a. & adv.
In the sleep of the grave; dead.
v. t.
To lay asleep; to put to sleep; to quiet.
a.
Inclined to sleep; drowsy; sleepy.
n.
The compass of any turning body or of any motion; as, the sweep of a door; the sweep of the eye.
a.
Heavy with sleep.
a.
Disposed to sleep; sleepy; drowsy.
a.
Strongly inclined to sleep; very sleepy.
n.
Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion.
a.
Inclined to sleep; sleepy; as, to feel nappy.
v. t.
To be slumbering in; -- followed by a cognate object; as, to sleep a dreamless sleep.
v. t.
Excessive; as, a steep price.
a.
Causing sleep; sleepy.
a.
Sleepy; drowsy; inclined to sleep.
v. t.
To give sleep to; to furnish with accomodations for sleeping; to lodge.
v. t.
Making a large angle with the plane of the horizon; ascending or descending rapidly with respect to a horizontal line or a level; precipitous; as, a steep hill or mountain; a steep roof; a steep ascent; a steep declivity; a steep barometric gradient.
v. i.
To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant; as, a question sleeps for the present; the law sleeps.