Diagram 2.

Overlapping between sleep complaints, insomnia symptoms and ICSD diagnoses in the general population

ICSD Diagnoses used: idiopathic insomnia; psychophysiological insomnia; Insufficient sleep syndrome; Mood disorder associated with sleep disturbances; Panic disorder associated with sleep disturbances; Anxiety disorder associated with sleep disturbances; Circadian rhythm disorders; Obstructive sleep apnea syndrome; Periodic limb movement disorder; Restless legs syndrome; environmental sleep disorder; sleep-onset association disorder; nocturnal eating (drinking) syndrome; hypnotic, stimulant or alcohol-dependent sleep disorders.