But there are some things you can do to encourage good napping habits: Avoid keeping a child up too late at night, which can prevent him from sleeping well during the day. And don't wait too long to begin his nap. Also, rocking or nursing a child to sleep at naptime is a mistake.
Losing It: Average Age of Virginity Loss in the U.S. According to a 2006 study, men and women in the United States first experienced sexual intercourse at age 17 on average. A 2007 study by Mathmatica Policy Research for The Kinsey Institute notes that 49% of women lose it by age 17, while 46% of men lose it by the same age.
Mike Kemp / Getty Images stock. The average male loses his virginity at age 16.9; females average slightly older, at 17.4. And a new study shows that genetics may be a factor: inherited traits, such as impulsivity, can make a person more or less willing to have sex at an earlier age.