Young adults (late teens, early 20s) have the lowest rate of sleep disturbances of any age group with the possible exception of babies. They are past the common childhood disorders (night terrors, sleepwalking) but do not yet suffer the insomnia of middle age or the fragmented sleep of old age. This is a generalization, of course, but we can say that young adulthood is the golden age of sleep.
Answer:
family tree
Explanation:
A family tree is a diagram that recopile the histories of one or more traits among relatives in a family. The information obtained from a family tree can be useful to determine the probabilities to inherit a trait in future generations, as well as to understand genetic relationships between ancestors and descendants
