A guide to the hormones in different areas of the curriculum and links to careers in endocrinology.

Endocrine conditions

Circadian rhythm sleep disorders

Circadian rhythm sleep disorders occur when the circadian clock in the brain, which drives daily behavioural and physiological rhythms, is not synchronised with 'real' local time. This can result in abnormal sleep patterns, sleep loss and fatigue.

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Hormones in the news