The main studies to examine the sleep-inducing outcomes of a specific food stuff date on the 1970s, when Horlicks, a malted milk drink, was tested. Southwell et al. (38) applied time-lapse cinematography to record sleep actions once the use of 350 mL warm water, 350 mL heat milk with 5 teaspoons Horlicks powder, or no beverage (control). Participan