Module 23 Sleep Patterns and Sleep Theories
After age 5, _____ of children continue to wet the bed and by age 10 ____
15%; 95%
New borns sleep _____ of the day
2/3
At what age do we begin to shift form being owls to larks
20 years old
by morning we have spent ____ to ____ percent of the night or about ____ minutes in REM sleep
20% to 25%; 100
how many hours is our modern wake and sleep cycle? What is the blame for the change
25 hour cycle; artificial lighting
For _____ of kids, either a parent or relative also wet the bed.
3 our of 4
How long is slow wave N3, the first sleep cycle of the night
30 minutes
_____ percent of people report rarely or nevery having dreams they remember the next morning
37%
How many hours do we spend dreaming in a year
600 hours
In the US and Canada, adults averaged _____ hours per night
7 to 8
Of those say they can't remember their dream, more than ____ percent of the time they will recall a adream after being awakened during REM sleep
80%
We cycle through 4 distinct sleep stages about every _____ minutes
90
In what stage do kids often wet the bed
End of N3
How is the hypothalamus involved in sleep?
In response to decreasing light the hypothalamus' suprachiastmatic nucleus causes the pineal gland to increase production of melatonin, leading you to sleep.
The random, sudden starteled movement of a body part, also happening during this pre-sleep stage
Myoclonic jerks
At what stages do we finally say we have fallen asleep?
NREM 1
The brain waves associated with REM sleep are most similar to those of
NREM1
Do we remember when we fall asleep
No
Why might I have trouble focusing in the 6th hour class
Our body temperature dips for a time in early afternoon
If you are asleep and your loud snoring stops, you are most likel in ____
REM
What happens to your eyes in REM sleep
They dart around in momentary bursts of activity behind closed lids
Why do we yawn?
To reduce brain metabolism and it stretches your neck muscles which increases your heart rate adn alertness
How does sleep protect us
We are not nocturnal creatures, we aren't built for night time activities.
Paradoxial sleep
Your body is internally aroused, with walking-liking brain activity, yet asleep and externally calm.
What happens to your heart in REM sleep
Your heart rate rises
Thinking is sharpest adn memeory is most accurate when we are at our daily peak in.....?
circadian arousal
Our bodies roughly synchronize with the 24 hour cycle of day and night through a biological clock called what?
circadian rhythm
If I am totally awake my brain should be emitting ____ waves
beta
From 5 to 7 million kids wet the bed some or most nights--- with twice as many _______ wetting their bed than ______
boys; girls
What happens during SWS that helps athletes
produces the human growth hormone necessary for muscle development
Hallucinations
sensory experiences without sensory stimulation
What is the biggest factor that determines the amoutn of sleep a person truly needs
sleep patterns may be genetically influenced
N3 issue: Some of these children ____________________ that their brain doesn't get the signal that their bladder is full.
sleep so deeply
The rhythmic bursts of brain activity that occur during NREM 2 sleep are called
sleep spindles
sleep feeds creative thinging by helpign us to think ____ and see_____
smart; connections
Why is it so hard to wake up in January and February
the lack of bring light causes melatonin to still be produced thus we feel sluggish and tired
when is the worst time for athletes to practice and why
early mornign workouts are ill advised because they increase the risk of injury and rob athletes are valueable sleep.
sleep improves athletic performance. Well rested athletes have ______________ and ________________
faster reaction times, more energy and a greater endurance
REM sleep and NREM2 sleep help athletes how
helps strengthan the neural connections that build endring memories, including muscle memory
During this timefram you may experience _____________ like feeling as if you are falling or hearing someone call your name.
hyphogogic hallucinations
The majority of bedwetting is _______
inherited
What happens to your breating in REM sleep
it becomes rapid and irregular
How does sleep help us recuperate
it helps restore and repair brain tissue.
How does sleep restore and rebuild our fading memories of the day's experiences? What age group is helped the most?
it strengthens and stabilizes neural memory traces; older adults
How are our sleep patterns cultually influenced
modern lighting, shift work, and social media and other diversions
When you take age into account who is naturally a lark and who is naturally an owl?
older adults; teens and young adults
With the approach of night due to our circadian rhythm, our body temperatures begin to....?
drop
how does sleep support growth
during deep sleep, the pituitary gland releases a growth hormone which sis necessaryy for muscle development.
Sleeping a lot gives resting neurons time to repair themselves, while prusing or weakening __________
unused connections
After several minutes you enter that twilight-type state of almost asleep as your body continues to relax and...
your brain switches to alpha waves.
Why don't you move during REM sleep
your brainstem blocks messages from the motor cortex
Scientist have even located some of the specific gens that lead to ___________________
delayed nighttime bladder control (on chromosome 13,12,8)
The large, slow brain waves associated with deep sleep are called...?
delta waves
What happes to the length of NREM 3 and REM as the night's sleep progresses
Deep NREM 3 sleep grows shorter adn dissappers. The REM and NREM2 sleep periods get longer
