Does shift work disorder causes Cluster heaaches?

Cluster heaaches is known as one of the most painful disese. Known as suicide headache cause is likley to lead to suicide

According to this abstract circadian rhythms misalignment is one of the causes

This study shows that CH patients have the same distribution of PER3 VNTR polymorphism and chronotype as healthy controls. There is a high frequency of sleep disturbances and shift work occupation in the CH population. Further research on the association between CH, clock genes and their regulators are needed.