Flashcards in Sleep Deck (11):
What are the two types of sleep?
Non-REM sleep (deep)
What happens in non-REM sleep?
Start of night
Synchronised, rhythmic EEG activity, partial muscle relaxation of muscles
Reduced cerebral blood flow
Reduced heart rate, BP and tidal volumes
Some non-narative images
What is REM sleep?
End of night
EEG shows fast activity
fMRI shows increased brain activity
Increased cerebral blood flow
impaired thermal regulation
What is the only way to regain lost sleep?
Deep sleep - allows cortex to recover
How many hours per day do Neonates sleep for?
How long is the normal Carcadian Rhythm?
24 hours 20 minutes (25 hours)
What does the retinal ganglion cell project to?
What peaks during sleep?
Cell division (Tissue repair)
How long should you nap for?
How many hours sleep should you get per night?