Several scientific studies report a close relationship between sleep and headache: sleep changes may reflect the onset and increase of both duration and frequency of headache attacks. Variations in sleep architecture, together with a poor sleep hygiene in children, may indeed be responsible for the onset of headache and its development into a chronic disease. For a correct clinical management of children with headache, it is therefore fundamental to investigate their sleep habits, architecture and potential disturbances, in order to develop adequate therapeutic plans for both sleep and headache.