Kim is participating in a sleep study this weekend. Her physician wants to determine if she might have a breathing-related sleep disorder. The technician hooks her up to electrodes and uses _____ to monitor her brain waves and body movements during sleep.
A researcher studying young adults’ sleep habits is exploring the impact of disrupting all REM sleep sessions during one night’s sleep. Using an electroencephalogram (EEG), she will monitor participants’ brain waves and body movements to determine when they are entering REM sleep. She can expect to wake the participants up approximately _____ during the night.
Sanji is taking an introductory psychology class and is learning about sleep patterns across the lifespan. He was not surprised to learn that as we age we need _____ hours of sleep. However, he had not been aware that the proportion of time spent in _____ diminishes, because he thought that the amount of time dreaming remained consistent throughout life.