BrainMass Quizzes The Psychology of Sleep This quiz is to check your understanding of the sleep-related part of psychology. 1 Which of the following is true of circadian rhythms? They are artificial inventions of timekeepers. They are internally generated cycles. They are sequences of events that occur once a month. They occur on the same schedule regardless of the changes from day to night. 2 _______________, a hormone involved in the regulation of circadian rhythms, is secreted by the pineal gland. Norepinephrine Testosterone Estrogen Melatonin 3 The reason that REM sleep occurs is to allow the mind to solve the day’s problems during sleep to allow memories to form to release tensions from the previous day unknown 4 This dream theory states that the purpose of dreaming is to express unconscious wishes, thoughts, and conflicts problem focused cognitive psychoanalytic activation-synthesis 5 Emily is currently in Stage 1 sleep. This means she is experiencing irregular brain waves and light sleep. experiencing delta waves and walking in her sleep. relaxed but awake. hard to rouse and her muscles are completely relaxed. Submit Quiz