Why Sleep
What is the only organ / body part that requires sleep?
Brain!
Is it better to pay off your sleep debt or maintain consistent sleep schedule?
Pay off your sleep debt!
Can humans resist the need for sleep?
No.
Can you adapt to sleep deprivation?
No!
T/F: The longer the period of sleep loss, the worse the performance.
True!
How many hours of sleep do most people need every 24 hours to maximize health and sustain performance?
7 to 9
Are all 5 sleep cycles equal in time spent in each sleep stage?
No!
T/F: Alcohol improves your ability to sleep.
False
T/F: People who sleep more tend to be more resilient to sleep loss.
True
What percentage of the population can optimally function on less that 6 hours of sleep per night?
<1% ~ 1 in 4 million.
How much of our life do we spend sleeping?
1/3 or ~24 years
How many more calories per day do people who are sleep deprived eat?
300
Which of these does not affect sleep?
TV in background, lamp turned on, hot room, new sleeping location
None - they all do!
Sleep deprived soldiers will overestimate, accurately estimate, or underestimate their own capabilities.
Overestimate.
200 milligrams of coffee is equivalent to how many cups of coffee?
2
How many cycles of sleep (REM & NREM) do we experience in a normal night of sleep?
5
You're considered sleep deprived when you sleep this many more hours on your day off.
2 or more.
Do our brains have a harder time adjusting traveling east / backwards or west / forwards?
East / Backwards
What is sleep extension / banking?
Significantly extending the nightly time in bed to more than 8 hours per night to use to sustain alertness during sleep loss.
What time of day are most world / Olympic records broken?
Late afternoon / early evening (1500-1800).
What does REM and NREM stand for?
Rapid Eye Movement & Non-Rapid Eye Movement
What is the minimum amount of sleep needed to maintain military effectiveness?
No threshold amount. More sleep always produces improved performance.
What is the word for 'awake during the day and sleep during the night'?
Diurnal
What is the best method for preventing or reversing the effects of sleep loss in the short and long term?
Sleep itself! Nothing can replace it.
Is it better to go to bed earlier or sleep in later to pay off sleep debt or to bank sleep?
Go to bed earlier.