NUR 2206 Rest and Sleep

NUR 2206 Rest and Sleep

• Rest

Answer Decreased state of activity, being refreshed

• Sleep

Answer A condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended.

• Sleep is characterized by...

Answer

• Minimum physical activity

• Decreased responsiveness
• Behavioral state of rest for the mind and body
• Cyclic

• Purpose of Sleep

Answer

• Restores physical well being

• Relieves stress and anxiety
• Restores ability to cope and concentrate on ADL's

• Circadian Rhythms

Answer

• Biological clocks regulate function

• Circadian rhythms complete a full cycle every 24 hours
• Circa = "approximately"
• Diem = "day"
• Affect fluctuations in VS, metabolism, mood, performance etc. 1 / 2

• Sleep is a complex circadian rhythm

• What is the nurse's role in sleep?

Answer

• Hospitalized clients have problems with rest and sleep (circadian rhythm altered)
• People who are ill have problems with rest and sleep
• Nurses must be cognizant of this
• Nursing interventions interfere with sleep
• Education

• Physiology of Sleep

Answer

• Reticular Activating System (RAS) in brainstem responsible for wakefulness
• Controls reflex and voluntary movements
• Controls activities related to wakefulness
• During sleep, RAS receives few stimuli
• Neurotransmitters needed for sleep/wake
• Norepinephrine, acetylcholine, dopamine, and histamine are needed for wakeful- ness
• Gamma-aminobutyric acid & serotonin needed for sleep

• Stages of Sleep

Answer Non-Rapid Eye Movement (NREM)

• Deep, restful

• Restores body tissues
• 75% of total sleep
• Parasympathetic nervous system dominates
• Decreased temp, HR, RR, BP, and metabolic rate
• Profound restfulness
• Slow, rolling eye movements
• Muscle relaxation
• Decreased seizure threshold
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