The Stages of Sleep: Ultradian Rhythm
Cards (37)
- What can be observed by an electroencephalogram while you sleep?
- How often do brainwave patterns repeat during sleep?
- What is the 24-hour circadian rhythm known as?
- What is the difference between circadian and infradian rhythms?
- What are the five main distinctive brainwave patterns?
- How do brainwave patterns change as sleep deepens?
- What are the four distinct stages of sleep?
- What does N1 stage of sleep feel like?
- What are hypnic jerks?
- What brainwaves are present in N1 stage?
- What characterizes N2 stage of sleep?
- What is the heart rate and body temperature like in N3 stage?
- What are delta waves associated with?
- What is REM sleep also known as?
- What happens to the body during REM sleep?
- How many full sleep cycles do humans usually have in a night?
- What happens to the proportion of REM sleep in each cycle?
- What did Kleitman's studies in 1957 demonstrate?
- What did Shapiro's research in 1981 find about sleep?
- What is the debated function of REM sleep?
- What percentage of sleep do babies spend in REM?
- How does understanding sleep stages benefit individuals?
- What change occurred in sleep stage classification in 2007?
- How are circadian and ultradian rhythms related?
- What is nocturnal penile tumescence (NPT)?
- How often does NPT occur during the night?
- What is the proposed benefit of NPT for men's health?
- What is the relationship between sleep stages and overall health?
- How does sleep deprivation affect cognitive function?
- What role does sleep play in emotional regulation?
- How does technology influence sleep quality?
- What are sleep hygiene practices?
- How does diet influence sleep patterns?
- What is the connection between sleep and mental health disorders?
- How do sleep needs vary across different age groups?
- What physiological changes occur during sleep?
- Why is sleep important for physical recovery and performance?