“…These associations include behaviours arising with sleep deprivation (O'Reilly & Lancioni, 2000;Pilcher & Huffcutt, 1996), or coinciding in children with sleep difficulties (Owens-Stively et al, 1997;Quine, 1991;Richdale et al, 2000;Wiggs & Stores, 1996); and behaviour reduction coinciding with sleep treatment (Bramble, 1997;Minde, Faucon, & Falkner, 1994;Wiggs & Stores, 1999). Behaviours have included aggression, lethargy, irritability, hyperactivity, self-injurious behaviour, lowered concentration, tiredness, tantrums, attachment to routines, and lower quality interactions with caregivers (O'Reilly & Lancioni, 2000;Quine, 1991;Wiggs & Stores, 1999).…”