centers/wnere sieep is stua1ed. 6 Dr. Jacobs suggests that the waking period between sleeps, when people were forced into periods of rest and relaxation, /could have played an important part/in the human capacity to deal with stress naturally/ He claims/ that it's not an accident that the number (ロ) of people who report anxiety, stress, and depression has gone up in modern life, So the next time you wake up in the middle of the night, think of your ancestors and relax. Lying awake could be good for you.