Chapter 10 (E1) Flashcards
The sleep center and wakeness center is located where in the body?
Hypothalamus
What is a state of consciousness characterized by the physiologic shanked of reduced BP, HR, RR, along with decreased response to external stimuli?
Sleep
Sleep is divided into 5 stages, what are they?
4 stages of NREM sleep
1 stage of REM
What is the lightest level of sleep?
Easily awakened
Stage 1 NREM
Muscle tone, pulse, bp, and RR are reduced during what stage of sleep?
Stage 4 NREM
What stage of sleep does the pulse, bp and RR increase, dreaming occurs, and rapid eye movement?
REM stage
Inability to sleep is called?
This is an age related change
Insomnia
What is a delay in the onset of sleep, that increases with age
Sleep latency
What is the relative percentage of time in bed spent asleep?
Sleep efficiency
What are some drugs that may cause daytime sleepiness?
Antiarrhythmics
SSRI
Antihistamine
Clonidine
When body pain interferes with sleep, what medication is the most effective?
Analgesics
What are effects of caffeine?
Restlessness
Nervousness
Increased HR
Reduced peripheral vascular resistance
What type of snack should a patient have at bedtime?
Warm snack containing protein
What condition is frequently accompanied by insomnia?
Depression
What drugs should be avoided with dementia patients for bed?
Sedatives
Antipsychotics
They may alter the sleep-wake cycle