Children with irregular bedtime habits are more prone to behavioural problems but adhering to a defined sleep regime improves behaviour says a study. The study published in the Journal Paediatrics found that irregular bedtimes could disrupt natural body rhythms and cause sleep deprivation undermining brain maturation and the ability to regulate certain behaviours. 'Not having fixed bedtimes accompanied by a constant sense of flux induces a state of body and mind akin to jet lag' and this affects healthy development and daily functioning said Yvonne Kelly professor at University College London Epidemiology and Public Health. Jet lag is a physiological
