Table 1

Main differences between NES and SRED

	Level of awareness during ingestion	Recollection of ingestion	Types and amounts of ingested material	Associations
NES	Generally aware of behaviour, may report behaviour as ‘automatic’ on awakening	Recalls the following day	Controlled amount of food	Obesity and mood disorders
SRED	Decreased or absence of awareness	Partial or complete amnesia the following day	Uncontrolled amount of non-food or bizarre items	Underlying primary sleep disorders, obesity and mood disorders
Patient	Remained aware throughout episode	Recalled the following day	Small amount of food from fridge	Mild obstructive sleep apnoea