Disturbed sleep in cluster headache is not the result of transient processes associated with the cluster period.
Nunu Lt LundA H SnoerA S PetersenR P BeskeP J JennumR H JensenM C J BarloesePublished in: European journal of neurology (2018)
The results support the presence of a continuing or slowly recovering disturbance of sleep outside the bout rather than a disturbance occurring secondary to attacks. Further, we confirm that there is no relation between CH attacks and specific sleep stages or between CH and breathing parameters.