“…Many health behaviours, issues and disorders, both somatic and psychological, follow different temporal patterns on circannual, circa-monthly, circaseptan, as well as circadian, levels. Variations in temporal structures have been reported for a myriad of symptoms and diseases as well as health-related behaviours, from sleeping disorders and depression to risk behaviours and diseases like, for example, diabetes, cardiovascular diseases and cancer (Basnet et al , 2016; Gabarron et al , 2015; Madden, 2017; Reinberg et al , 2017). This is the case for health information behaviour, or how people seek, obtain, evaluate, categorise and use health-related information, as well (Ek, 2013).…”