Sleep spindle and psychopathology characteristics of frequent nightmare recallers

Idiopathic nightmares are a common disturbance of REM sleep but studies of comorbid pathologies and sleep architecture suggest that NREM sleep is also affected. Sleep spindles are a NREM sleep characteristic linked to both pathophysiology and sleep-dependent memory consolidation but they have not yet been evaluated in frequent nightmare recallers. The morning naps of 38 participants with frequent idiopathic nightmares (mean age: 23.7±3.78 yrs) and 25 age- and sex-matched controls (23.9±3.65 yrs) were recorded and their sleep evaluated.

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