Abstract
In this chapter we explore the multiple entanglements between sleep, health and medicine in contemporary society, with particular reference to sociological engagements with these relations so far and the future sociological research agendas this suggests. Five key intersecting strands of existing research are identified here concerning: (i) the social patterning of sleep; (ii) the medicalization of sleep; (iii) living with sleep problems; (iv) sleep, health and the body; (v) customizing sleep. Five key future research agendas are also suggested here regarding: (i) what is ‘good’ and ‘bad’ sleep for whom, when and where; (ii) sleep, mental health and illness; (iii) the intersectionalities of sleep; (iv) sleep and public health; (v) AI and the future of sleep. Sleep we conclude is a vital matter for the sociology of health and illness with much work still to do and exciting research agendas ahead.