title: Left sidedness and sleep difficulty: the alinormal syndrome.
abstract: Four indexes of laterality: handedness, footedness, eyedness, and earedness, were assessed in a sample of 1274 subjects. Left- and right-sided groups were compared on two aspects of self-reported sleep difficulty: trouble falling asleep and frequent night wakenings. The incidence of sleep difficulty was found to be elevated in the left-sided groups. The results are discussed in terms of a possible complex of behavioral deviations from the statistical norm, called the alinormal syndrome.
mesh_terms: D000328:Adult; D001925:Brain Damage, Chronic / Q000523:psychology; D005260:Female; D007839:Functional Laterality; D006801:Humans; D008297:Male; D012306:Risk; D007319:Sleep Initiation and Maintenance Disorders / Q000523:psychology*; D013577:Syndrome