Sleep Flashcards
(18 cards)
What is REM stage in a sleep cycle?
- Rapid Eye Movement Sleep
- Recurring sleep stage where dreams occur
Why do we need sleep?
- restore and repair brain tissue
- restore/ rebuild fading memories
- foster creattive thinking
- role in growth
What is latent content?
The underlying meaning of a dream
What is hypnagogic?
Imagining objects before sleep
What is REM REBOUND?
REM sleep increases; followed by REM deprivation
What is sleep apnea?
Stops breathing while sleep; wakes up in time to draw a breath
What is narcolepsy?
Uncontrollable sleep attacks; can happen during times that require attention like driving
What are night terrors?
Appearing terrified, talking nonsense, walking around
What is insomnia?
Difficulty falling asleep or staying asleep
How much sleep should a person get?
- Depending on their age
- Newborns often sleep two-thirds of their day
- Adults often sleep no more than one-third
- 7-8
Light and melatonin role of sleep
- The light sets off an internal alarm
- activates proteins; signals a brain structure called suprachiasmatic nucleus
- The brain structure decreases the production of sleep-suppporting-hormone (melatonin)
effects of sleep loss
- predicts depression
- risk for depressed immune system
What is chronic sleep deprivation?
contribute to obesity, high blood pressure, and memory impairment
What are dreams?
- everyday experiences
- involve anxiety or misfortune events
What is hypnosis?
- altered state of consciousness through social interaction
- may cause dissociation
What is meditation?
- achieve a state of mental calmness
- concentration or mindfulness
What is circadian rhythm?
- biological clock
- schedule of waking and sleeping is governed by this
Stages of sleep
- short; last 20 min; spindles; burst of brain activity
- relaxed
3/4. long period of deep sleep; hard to awake; 30 minutes
