sleep lecture Flashcards
how much of our lives do we spend sleeping
1/3
How many hours of sleep on average do Americans get per night?
6.7 hours
How does this compare to data collected in the 1960’s?
16% less (we got 8 hours in 60’s)
How does sleep deprivation affect the following: Learning, Memory, and Reaction Time?
It has a cumulative effect, impairment develops in ability to think fast, react quickly and remember things; (In one study, students who had been awake more than 24 hours did 40% worse memorizing lists of words)
Based on the research presented, how little sleep deprivation can cause changes in each?
A single night at 4-5 hours of sleep can in most people begin to show affects in your attention and your memory and the speed at which you think. Each day of sleep deprivation adds an additional deficit to your cognitive ability.
What does current research suggest with respect to human adaptation to chronic sleep deprivation?
They believe they learned to adapt, but have not.
How does sleep deprivation affect hunger and blood sugar levels?
Healthy, young study participants restricted to four hours sleep per night for six nights went into a pre-diabetic state. Levels of the hormone leptin (which controls hunger) had dropped and participants were hungry, even though they had eaten.
Short sleep times have been linked to which chronic diseases?
Obesity, heart disease, high blood pressure and stroke
• How do our sleep cycles change with aging?
The amount of time we spend in deep sleep decreases.
Do naps really help us when we are sleep deprived?
Yes, what’s important is getting your seven and a half to eight hours of sleep total, so naps can help.
According to a recent survey from the American College Health Association (ACHA), only about ___percent of students reported getting enough sleep to feel well rested in the morning 6 or more days a week.
11.8
Over __percent of students said that, in the last 7 days, they felt sleepy during the day on 3 or more days per week.
• Over 68 percent of students said that, in the last 7 days, they felt sleepy during the day on 3 or more days per week.
What is the age of males at HIGHEST RISK for drowsy driving accidents?
17-23
These accidents are typically single-car accidentsthat run off the road with little evidence of brakingbetween the hours of
midnight and 6:00 AM.
sleep serves two biological purposes
conserves body energy
restores you both physically and mentally.
