[Solved] Individuals with this type of chromosomal abnormality are often very tall but slow in terms of social and intelligence skills. A)XYY B)XXY C)XXX D)XO Narcolepsy: A sleep disorder marked by excessive daytime sleepiness, often accompanied by sudden muscle weakness or sleep attacks. REM Rebound: The tendency for REM sleep to increase following REM sleep deprivation (created by repeated awakenings during REM sleep). Insomnia: Insomnia is a sleep disorder characterized by difficulty falling and/or staying asleep, affecting a person's ability to get restful sleep. Vigorous Physical: Intense bodily activity that increases heart rate and energy expenditure, contributing to physical fitness and health.