Sleep and the mind
Sleep is needed ____ and ____ learning.
Sleep is needed before and after learning.
Name one physical system impacted by sleep
Reproductive, cardiovascular, immune
True or False: Bedtime is a factor that influences academic performance
True
True or False: Young adults shift towards later bedtimes
True
Humans spend approximately how much of their lives sleeping?
Part of the brain that sleep deprivation impairs:
Sleep deprivation affects the hippocampus
Ways in which sleep affects the systems
Reproductive → high testosterone levels
Cardiovascular → risk for heart attacks
Immune → natural killer cells decrease, leading to immune vulnerability and higher cancer risk.
True or False: All-nighters actually help academic performance
False
On average how much later do college students sleep compared to high school students?
75 minutes
These predictable activities before falling asleep help establish and regulate sleep patterns.
Bedtime routines.
Effect of deep sleep in memory storage:
short term -> long term storage
White blood cells in charge of fighting viruses and early on tumors
Natural killer cells
What percent of students experience insomnia?
26.4%
True or False: 20% of college students regularly drink energy drinks
False; it is 34%
People still actively participate in the occupation of sleep even though they are unconscious while actually sleeping. Name two ways this participation can be observed.
What are falling asleep, waking up, preparing for sleep, or changing how, when, where, or with whom one sleeps? (Any two)
Direct current brain stimulation:
Applying small doses of voltage to the brain. Increases deep sleep and its benefits.
Specific physical factor affected by sleep (other than the 3 main systems)
DNA expression
What is one factor that can increase the likelihood of experiencing insomnia?
Depression, ADHD, employment
True or False: 3 in 5 college students drink
False; 4 in 5 college students drink
What is the difference between a bedtime routine and a bedtime ritual?
A routine provides repeated structure, while a ritual has symbolic or emotional meaning and can contribute to family identity and belonging.
Sleep deprivation leads to impaired ____ and increases the risk for ____/____.
Sleep deprivation leads to impaired memory and increases the risk for dementia/Alzheimer's.
2 ways in which sleep affects DNA
Decreases expression of genes associated to the immune system, increases the ones related to tumor developing, inflammation, and stress
Name the 3 sleep factors mentioned in the slides that affect academic performance by almost a letter grade.
1) Bedtime
2) Sleep quality
3) Sleep duration
What is the last variable mentioned in the slides that affect sleep?
What two processes are essential for coordinating sleep with our other activities, time, space, and the people around us?
orchestration and synchronization.