[DOC] [TLE] Nightmares | Psychology Today [PAR] Definition. A nightmare is a dream occurring during rapid eye movement (REM) sleep that results in feelings of strong terror, fear, distress or extreme anxiety. ... At this point, it may be referred to as Nightmare Disorder (formerly Dream Anxiety Disorder) or "repeated nightmares." [DOC] [TLE] Sleep - Dreams - Nightmares [PAR] Recurrent nightmares are sometimes considered a fully-fledged parasomnia, ... 
Night terrors typically occur during deep slow wave sleep, rather than during... [DOC] [TLE] Sleep - Types and Stages of Sleep - Non-REM (NREM) Sleep [PAR] Non-REM sleep, which is perhaps best defined negatively as any sleep not ... 
Stage 3 sleep occurs in longer periods during the first half of the night, 
particularly during the ... like night terrors, sleep-walking, sleep-talking and 
bedwetting occur. [DOC] [TLE] REM SLEEP by: S. Kimberlin, M. Mazon, D. Showlund, S. Feanny ... [PAR] Nightmares occur during Rapid Eye Movement (REM) sleep and are generally 
shorter ... It is defined as such since there is rapid eye movement as you dream. [DOC] [TLE] REM Sleep Behavior Disorder - National Sleep Foundation [PAR] But people who suffer from REM sleep behavior disorder (RBD) act out their 
dreams. ... There are a variety of characteristics that define each state, but to 
understand REM sleep behavior disorder it is important to know that it occurs 
during REM sleep. ... Here's Why You Have Creepy Nightmares Right Before You 
Wake Up. [DOC] [TLE] Nightmares and Disorders of Dreaming - American Family Physician [PAR] Apr 1, 2000 ... Night terrors are arousal disorders that occur most often in children and usually ... 
REM sleep occurs cyclically every 90 minutes during the night in .... less likely 
than others to define the world around them in concrete terms. [DOC] [TLE] Parasomnias: Nightmares, Night Terrors, Confusional Arousals and ... [PAR] ... out dramatic and/or violent dreams during REM sleep. ... Usually, RBD occurs 
in men aged 50 and older,... [DOC] [TLE] Night terror - Wikipedia [PAR] Night terror, also known as sleep terror, is a sleep disorder, causing feelings of 
terror or dread, and typically occurs during the first hours of stage 3-4 non-rapid 
eye movement (NREM) sleep. Night terrors tend to happen during periods of 
arousal from delta sleep, also... [DOC] [TLE] Nightmares - Overview - Sleep Education [PAR] A disturbing dream that does not wake you up is not considered a nightmare. ... 
Nightmares tend to happen during REM sleep, the last stage in the sleep cycle. [DOC] [TLE] Nightmares - symptoms, stages, Definition, Description ... [PAR] These frightening dreams occur during rapid eye movement sleep (REM), or 
dream-time sleep, and trigger a partial or full awakening. Nightmares are a... [DOC] [TLE] Nightmares and the Brain | Department of Neurobiology [PAR] Although that definition doesn't surface often today, nightmares are still 
considered ... Nightmares tend to happen during the period of sleep when REM 
intervals... [DOC] [TLE] A Bad Dream Is More Than Just A Dream: The Science Of Nightmares [PAR] Mar 31, 2015 ... Every time I ate shrimp I had a restless night and bad dreams. ... REM sleep 
occurs every 90 minutes during the night, and is associated with... [DOC] [TLE] Sleep Disorders - symptoms, stages, average, Definition ... [PAR] The most important dyssomnia is primary insomnia, which is defined as ... The 
nightmares occur during REM sleep, usually in the second half of the night. [DOC] [TLE] Night Terrors and Parasomnias. Sleep Terror Disorders. | Patient [PAR] Night terrors and parasomnias inlcude sleepwalking disorders and dream 
anxiety ... may be defined as undesirable disorders of behaviour or experience 
that occur ... Disordered arousal occurs during NREM sleep, causing extreme 
panic and... [DOC] [TLE] Nightmare Disorder in children and adults. Nightmare Disorder ... [PAR] The ICD-10 definition of the diagnosis of a nightmare disorder is detailed below: 
... Nightmares tend to start in the latter half of the sleep cycle, during REM sleep. 
... during the experience, although these things may occur to a minor degree.

Question: Nightmares occur during REM sleep, which is defined as this
Answer: rapid eye movement