Why We Sleep and Sleep Biology
True or False? You grow during sleep
True
In what stage of sleep do we experience dreams? (N1, N2, N3, REM)
REM Sleep
Most adults need between 7 and 8 hours of this per night.
Sleep
Sleep disorders can contribute to this mental health issue, characterized by persistent sadness, loss of interest, and low energy.
depression
Drivers with sleep disorders are more likely to experience this dangerous outcome on the road.
a motor vehicle accident
True or False? The immune system is more active during sleep
True
What is the shortest stage of sleep? (N1, N2, N3, REM)
N1
Over 60 million Americans suffer from this type of general health issue
Sleep disorders
People with sleep disorders are more likely to develop this condition where blood sugar levels are too high
diabetes
Research shows that sleep-deprived drivers perform similarly to drivers under the influence of this substance
alcohol
What does greater hippocampal activity during sleep improve?
Memory
During what stage of sleep are you the hardest to awaken? (N1, N2, N3, REM)
N3
This fraction of American adults gets less than 6 hours of sleep per night. (choices: 1/5, 1/4, 1/3, 1/2)
1/3
Chronic sleep deprivation is associated with an increased risk of developing this heart-related condition
heart disease
A study found that sleep deprivation in drivers can impair this, similar to alcohol or drug impairment
alertness or inhibitions
What gland produces melatonin?
The Pineal Gland
What are hypnagogic sensations in the N1 stage of sleep?
When you may wake up from feelings of falling or jerking
This percentage of Americans suffer from insomnia at least a few nights a week.
10%
Sleep disorders can lead to this common problem where the body feels tired throughout the day
daytime fatigue
Research shows that drivers with sleep disorders have a higher chance of this specific driving behavior, which increases accident risk
drifting out of lanes
What pair of cell clusters located in the hypothalamus regulate the circadian rhythm?
The suprachiasmatic nucleus.
During what stage of sleep do you experience the most growth and immune system activation?
N3
Only about this percentage of high schoolers sleep 8 hours per night.
30%
Long-term sleep deprivation can cause chronic low-grade inflammation, which has been linked to this condition that affects brain function.
dementia
Drivers with sleep disorders often experience this instability, affecting their ability to drive safely
wake-state instability