The sleep learning series was created to reinforce material that children are exposed to during the course of the day. An infant’s brain is shaped by early experiences, essential areas of the brain mature first. Seeing and hearing: areas that process sensory information peak at three months, and babies can discern the sounds of languages at six months. This dvd is multifunctional; for daytime use with infants we recommend singing along with the DVD, for daytime use with toddlers and preschooler’s turn down the volume and recite each letter as it appears on the screen, for nighttime or naptime simply slip in the disc lower the volume to a lullaby and allow children to drift off to sleep. Baby learns his ABC’s while parents catch a night full of ZZZ’s.