Unit 2 Terms- Sleep Flashcards
1
Q
Protection
(sleep theory)
A
Our ancestors slept because it was safer for them to be in caves when it was dark out
2
Q
Recuperation
(sleep theory)
A
- Sleep gives time for our immune system and brain tissues to be repaired
- Neurons take this time to fix themselves as well
3
Q
Memory Storage
(sleep theory)
A
We sleep so that our memories can be moved from the hippocampus to long term storage and so the brain can process information taken in during the day
4
Q
Creative Thinking
(sleep theory)
A
Sleep allows for:
- artistic and scientific thinking
- problem solving
- breakthroughs
5
Q
Growth Process
(sleep theory)
A
Pituitary Gland releases growth hormones while we sleep
6
Q
How do sleep cycles differ between young and old adults?
A
young- cycle through all cycles every 90 min
old- shorter and more frequent cycles, more wakings, less REM, less NREM-3
7
Q
How do the stages of sleep change as night goes on?
A
- REM and NREM-2 increase
- NREM-3 decreases and eventually stops
