656. Many of our dreams are strange because the part of the brain responsible for making sense of things shuts down during dreaming.

657. Sleep sex, also called sexsomnia, is a sleep disorder much like sleep walking, except instead of walking, a person engages in sexual behavior like masturbation or intercourse while asleep.

658. Eating before bed makes nightmares more likely, because it increases your metabolism, signaling your brain to be more active.

659. Contrary to popular belief, most liars maintain strong eye contact with their victim.

670. Note a woman and her purse. If a woman is feeling uncomfortable or not attracted to someone, she will either clutch her bag tightly or place it in front of her to cover her body. When she is attracted to a man, she will move it aside—she literally does not want anything in her way.