topic 11 - sleep alterations Flashcards
what is produced in the pineal gland
melatonin
what is the purpose of the hypothalamus
relay centre
connection between neural and endocrine systems, memory and learning
what are commonly reported symptoms associated with circadian desync and TBI
insomnia
sleeping difficulties
associated with longer recoveries
fatigue = big indicator for PPCS
how often is hypersomnia occuring
25% of TBI patients within the first few days
more common in moderate - severe TBI
how often do people report fatigue following fatigue
43-73% - especially in PPCS
do you need to wake people up after concussion
no
never get into slow wave healing sleep
how often do people experience circadian rhythm shifts
~36%
links between systems not working properly
what are the characteristics of TBI patients sleep
increased wak after sleep onset
reduced total sleep time
poorer sleep indexes
shorter time spent in REM
non REM unaltered
what are the daytime conseeunces of sleep and circadian rhythm disturbances
decreased psychomotor performance
increased accident risk
poor cognitive function
irritability and depressed mood
impaired endocrine, metabolic, immune, inflammatory, and CV function
what is the relationship between time in bed and performance
less time = worse performance
CUMULATIVE deficits due to sleep loss
