Three-month-old infants have better recall when they get a brief nap after learning something new, according to small experiment that suggests sleep may play a role in solidifying memories very early in life.
While previous research has linked frequent naps to better memory in babies as young as six months, the current study examined the impact of a single 1.5- to two-hour nap for infants half that age.
The experiment tested memory by counting on babies to quickly tire of looking at faces they remember. Researchers showed infants one of two cartoon characters with distinctive facial features, let