1112 Classification & Core Knowledge, Clinical Scenarios, Sleep Stage Logic, PSG Application, Mixed Registry Concepts, Advanced Reasoning

PSG Term 3

Sleepwalking arises from

N3

REM Sleep Behavior Disorder is characterized by:

REM without atonia

Restless Leg Syndrome occurs primarily:

During wake at rest

PLMS movements must last

0.5-10 sec

Hypnic jerks occur most often:

Sleep onset

Night Eating Syndrome occurs:

While awake

Sleep terrors are most common in:

N3

Narcolepsy is classified under:

Central hypersomnolence disorder

Bruxism is:

Sleep-related movement disorder

Circadian disorders involve:

Clock misalignment

A patient screams 90 minutes after sleep onset and is amnestic. Most likely:

Sleep terror

A patient acts out vivid dreams in the second half of the night. Likely:

REM behavior disorder

A patient reports an urge to move legs relieved by movement. Diagnosis:

RLS

A patient eats during sleep and has no recall. Diagnosis:

SRED

Sleep-onset hallucinations suggest:

Narcolepsy

A patient with OSA falls asleep repeatedly during the day. Primary category:

Breathing disorder

REM without atonia is seen on:

RBD

A disorder involving misalignment due to shift work:

Circadian rhythm disorder

Cataplexy is strongly associated with:

Narcolepsy

PLMS index must be elevated and associated with:

Arousals or sleep complaint

NREM parasomnias typically occur:

Early night

Nightmares occur in:

REM

Confusional arousals arise from:

N3

RBD is most common:

Last third of night

Hypnopompic hallucinations occur:

Upon awakening

A limb movement must be separated by at least:

5 sec

REM without atonia shows:

High chin tone

Hypnic jerks are seen:

During N1

Sleep terror show:

Autonomic activation

SRED episodes most often arise from:

N3

OSA is defined by:

AHI

Idiopathic hypersomnia falls under:

Hypersomnolence

RLS symptoms worsen:

Evening

A patient recalls vivid frightening dreams. Most likely:

Nightmare disorder

Parasomnias are defined as:

Undesirable sleep events

PLMS occur in:

Sleep

Sleep paralysis occurs during:

REM-wake transitions

Central sleep apnea is categorized under:

Breathing disorder

A patient with delayed bedtime until 3am likely has:

Circadian rhythm disorder

REM density increases during:

REM

NREM parasomnias are associated with:

Partial arousals

RBS is associated with increased risk of:

Neurodegenerative disease

PLMD diagnosis requires:

Elevated PLM index + symptoms

Hypnagogic hallucinations occur:

Wake → sleep

Night Eating Syndrome is:

Eating disorder

REM sleep is characterized by:

Rapid eye movements

Sleep spindles define:

N2

N3 sleep is also called:

Slow-wave sleep

Cataplexy involves:

Sudden loss of tone

Parasomnias are most likely during:

Sleep transitions