Sleep Flashcards
(41 cards)
Functions of sleep
Physical restoration, memory and learning
Where is sleep regulated? What hormones?
Brainstem and hypothalamus / GABA and acetylcholine
Circadian rhythm Latin meaning
around a day
SCN functions in sleep
Signals other parts of brain controlling hormones, body temperature, and other functions that make us feel sleepy or awake
What percent of sleep is in stage 1, 2, 3, 4, and REM?
2-5%, 45-55%, 3-8%, 10-15%, 20-25%
About how often do we switch between REM and non-REM?
90 minutes
Normal sleep latency
10-15 minutes
Normal sleep need
5-10 hours
Five reasons why we need sleep
- critical determinant of health and well-being 2. basic requirement for development 3. support immune system 4. Support metabolism of glucose 5. Improve productivity and performance
Two major results of inadequate sleep
mood changes and reduces productivity / increases chance for mishaps
Sleep for 1. infants 2. toddlers 3. preschoolers 4. school age 5. teenagers 6. adults
- 12-18 hours 2. 12-14 hours 3. 11-13 hours 4. 10-11 hours 5. 7-9 hours
What percent of US adults report insufficient sleep at least 15 out of 30 days?
25%
How many Americans have a chronic sleep disorder?
40 million Americans
How many Americans have occasional sleep problems?
20 million Americans
Most common sleep complaint of US
insomnia
Inability to concentrate or maintain sleep, early morning awakening, inability to resume sleep
insomnia
Excessive daytime sleeping
Narcolepsy
Unpleasant “creeping” sensation originating in lower legs
Restless leg syndrome
Characterized by gasping, snorting, sleep interruption resulting in daytime drowsiness
Sleep apnea
Insomnia with no underlying cause
Primary insomnia
Insomnia with an underlying cause
Secondary insomnia
Transient (<4 weeks) insomnia and resolves without treatment
Acute or episodic insomnia
Insomnia lasting > 1 month
Chronic insomnia
How many patients are affected by narcolepsy?
250,000 patients
