NUR 2206 Exam 12
- Rest
Answer Decreased state of activity Leads to being refreshed
- Sleep
Answer Rest with altered state of consciousness
- Purpose of Sleep
Answer Restores physical well being Relieves stress and anxiety
Restores ability to cope and concentrate on Activities of Daily Living
- ADLs
Answer bathing, dressing, eating, toileting, walking, transferring
- Circadian Rhythms
Answer Biologic clocks regulate functions Circadian rhythms complete a full cycle every 24 hours
- Non-rapid eye movement
- stages Deep, restful
Answer
Restores body tissues 75% total sleep
- Rapid Eye Movement
Answer Relatively active state 1 / 3
Important to mental/emotional equilibrium, learning, memory, adaptation 20-25% total sleep
- NREM Sleep Stage 1
Answer Transitional stage Lasts 5 mins
person feels drowsy Involuntary muscle jerking HR & RR decrease slightly
- NREM Sleep Stage 2
- NREM Sleep Stage 3
- NREM Sleep Stage 4
Answer Light sleep- easily aroused Body continues to slow down HR, RR, BMR decrease 50-55% of total sleep
Answer Body processes slow down Deep sleep- more difficult to arouse Profound muscle relaxation Growth hormone released 10% of total sleep
Answer AKA delta sleep Decreased Temp, HR, RR, BP, metabolic rate Muscles very relaxed- rarely move
difficult to arouse brain waves slow Restore body physically 10% of total sleep
- REM sleep
Answer More difficult to arouse Memory storage, consolidation, learning and emotional adaptation occur Changes in cerebral blood flow increased cortical activity Increased O2 consumption 2 / 3
- Sleep cycle
- Delta sleep occurs more in which half of night?
Answer Cycle repeats 4-5 times each night Each cycle lasts ~90-100 minutes If awakened, return to NREM Stage 1
Answer first half of the night
- Sleep deprivation
Answer Caused by going long periods of time without sleep or by shorter periods of sleep over an extended period of time
- Sleep Deprivation symptoms
Answer Tiredness, fatigue Exhaustion after minimal muscle expenditure Difficulty performing routine tasks
Weakness Mental activities more difficult, attention span lapses, decreased ability to concen- trate Nervousness, irritability, depression Disinterest, distorted perceptions, confusion Decreased coordination Seizure threshold lowered (‘ incidence of seizures)
- Sleep Deprivation EBP
Answer Person deprived of REM sleep for several nights will spend more time in REM sleep on subsequent nights to keep REM sleep constant over time
When deprived of NREM and REM, spend more time in NREM 4 first, which delays REM rebound
- Factors Affecting Sleep
- / 3
Answer Developmental Considerations Stress/ Anxiety/ Depression