“…Infant sleep is a complex interaction of temperament, parent‐infant interaction, and biological rhythms that are uniquely programmed in each individual (Buswell & Spatz, 2007; McKenna, 2000; Thoman, Davis & Denenberg, 1987; Thomas, 1995, 2007, Thomas & Foreman, 2005). Infant feeding and sleeping through the night were the two most pressing concerns reported by new parents in the early 1980s (Wright, MacLeod & Cooper, 1983).…”