Sleep Flashcards
(14 cards)
NREM
Stage of lightest sleep, lasting a few minutes
Decreased physiological activity begins with gradual fall in vitals and metabolism
Sensory stimuli such as noise arouse sleeper
If awakened, feel like a daydream
N2 (formerly stage 2)
Stage of sound sleep during which relaxation progresses
Arousal is still relatively easy
Brain and muscle activity continue to slow
N3 (formerly stage 3 & 4)
Called slow-wave sleep
Deepest stage of sleep
Sleeper is difficult to arouse and rarely moves
Brain and muscle activity significantly decreased
Vital signs are lower than during waking hours
REM sleep (25% of sleep)
Vivid, full color dreaming
Stage usually begins about 90 mins after sleep has begun
Stage is typified by autonomic response of rapidly moving eyes, fluctuating heart and respiratory rates, and increased or fluctuating BP
Gastric secretions increase
It is very difficult to arouse sleeper
Best foods to promote sleep
Cherries
Almonds
Flax
Honey
Bananas
Worst foods for sleep
Alcohol
Spicy foods
Fatty foods
Coffee
Dark chocolate
Hypnotics
Medications that induce sleep
Sedatives
Medications that produce a soothing or calming effect
Short-term benzodiazepines
Oxazepam
Lorazepam (Ativan)
Temazepam (restoril)
Trazadone(SARI) low dose use is used often as an alternative to benzo, especially in elderly
Diagnostic testing for sleep
Actigraphy
Polysomnogrpahy
Sleep apnea
Characterized by lack of airflow through nose and mouth for at least 10 seconds and more than 5 apnea episodes/hour
Mallampati score
How open their mouth is
Describes relative size of base of tongue compared to the oropharyngeal opening
BiPAP
Provide distinct air pressure levels for inhalation and exhalation
CPAPs
Maintain a constant fixed pressure throughout each breath
