Insomnia

Question 1

Why do we sleep?

Answer 1

-evolutionary process (optimizing hunting/gathering, reduced metabolism during sleep)
-neural reorganization (memory solidification, enhancement of creative pathways, more important for younger patients)
-cellular repair and repletion (growth hormone release, protein synthesis, tissue growth, muscle repair)

Question 2

Define: Sleep Latency

Answer 2

measures time between laying down to falling asleep

Question 3

Define: Wake After Sleep Onset (WASO)

Answer 3

time spent awake after falling asleep

Question 4

Define: Sleep Efficiency

Answer 4

percent of time in bed that is spent sleeping

Question 5

Describe: Stage 1 (N1)

Answer 5

-common to experience “hypnic jerks”
-difficult to tell whether you are asleep

Question 6

Describe: Stage 2 (N2)

Answer 6

-cessation of eye movement
-EEG recordings can display “sleep spindles” and K-complexes

Question 7

Describe: Stage 3/4 (N3/N4)

Answer 7

-“slow-wave sleep”
-dreaming is more common
-release of growth hormone (GH)

Question 8

Describe: REM (Rapid Eye Movement)

Answer 8

-similar EEG results to a wakeful state
-paralysis
-dreaming
-creativity and problem solving

Question 9

Risk Factors: Insomnia

Answer 9

-middle-aged older adults
-women
-psychiatric or medical illness
-medications
-high stress
-lifestyle factors

Question 10

Symptoms: Insomnia

Answer 10

-moodiness
-anxiety about sleep
-lack of motivation or energy
-irritability or anger
-poor memory
-headaches
-accidents while driving
-daytime sleepiness
-poor performance in school or work
-upset stomach

Question 11

Define: Insomnia

Answer 11

difficulty falling asleep, difficulty staying asleep, waking up too early