Prayer, incantations, and noise-making were all techniques for __________.

Which of the following are known benefits for the mother who breast-feeds?

a. stress reduction, increased development of a mild personality, and weight reduction b. the slowing of metabolism, increased patience, and increased bonding c. reduction in bleeding of the uterus, increased weight loss, and increased release of oxytocin d. reduction of white blood cells, increased lactation, and weight reduction

Volunteers who are allowed to sleep without interruption after several nights of REM deprivation tend to get

A) almost no REM sleep. B) less REM sleep than usual. C) their normal amount of REM sleep. D) significantly more REM sleep than usual. E) sleep that consists entirely of REM sleep for several nights.