Investigation of bedwetting A careful history is important Distinguish between children with nocturnal enuresis(the majority) and children who also have episodes of enuresis during the daytime. a Distinguish between primary and secondary Children nocturnal enuresis. Ask about the pattern of voiding, the number of dry nights in the past week or month, fluid intake at bedtime, intake of caffeine at bedtime(e.g. tea, coffee, cola, chocolate). Discuss practical issues such as can the child reach the toilet, do they need a light on to see their way to the toilet, any night time fears. Ask about any possible stressors at home, school or with friends.