1stage 1 NREM
- very light sleep
- only a few minutes long
- muscle relaxation
- loss of awareness of surroundings
- vital signs and metabolism beginning to decrease
- awakens easily
- feels relaxed and drowsy
2stage 2 NREM
- deeper sleep than stage 1
- 10 to 20 minutes long
- vital signs and metabolism continuing to slow
- requires slightly more stimulation to awaken
- increased relaxation
3stage 3 NREM
- slow wave or delta sleep
- vital signs decreasing
- more difficult to awaken
- psychological rest and restoration
- reduced sympathetic activity
4REM (rapid eye movement)
- vivid dreaming
- about 90 minutes after falling asleep, recurring every 90 minutes
- longer with each sleep cycle
- average length of 20 minutes
- varying vital signs
- very difficult to awaken
- loss of skeletal muscle tone
- cognitive restoration
5infant and toddlers average sleep duration
9 to 15 hrs/day
6adolescents average sleep duration
9 to 10 hrs/day
7adults average sleep duration
7 to 8 hrs/day
8insomnia
most common sleep disorder. the inability to get an adequate amount of sleep and to feel rested. might mean difficulty falling asleep and/or difficulty staying asleep.
women and older adults have agreat risk.
9acute insomnia
lasts a few days possibly due to personal or situational stressors
10chronic insomnia
lasts a month or more
11intermittent insomnia
sleeping well for a few days and then having insomnia for a few days
12sleep apnea
more than five breathing cessations lasting longer than 10 seconds per hour during sleep
can be a single disorder or a mixture of central and obstructive.
13central sleep apnea
central nervous system dysfunction in the respiratory control center of the brain that fails to trigger breathing during sleep
14obstructive sleep apnea
structures in the mouth and throat relax during sleep and occlude the upper airway
15narcolepsy
sudden attacks of sleep that are often uncontrollable.
can occur at inappropriate times and increases the risk of injury.
16hypersomnolence disorder
excessive daytime sleepiness lasting at least 3 months.
impairs social and vocational activities.
increased risk for accident or injury related to sleepiness
17how to assess and collect data
- ask about sleep patterns/historyecent changes
- identify usual sleep requirements
- ask about sleep problems (type/timing/factors/etc)
- use a linear or visual scale with 'best sleep' on one end and 'worst sleep' on the other and ask for a 0 to 10 rating
- check for common factors that interfere with sleeping (heavy meals before bed/high fluid intake/alcohol before bed/stress/etc)
18factors that interfere with sleep
- physiologic disorders (nocturia/sleep apnea)
- current life events (traveling/schedule change)
- emotional stress or mental illness (anxietyrief/fear)
- diet (caffeine consumption/heavy meals before bed)
- exercise (3 hrs before bed promotes sleep
19nursing actions
- helps pts establish and follow a bedtime routine
- limit exercising pts before bed
- promote quiet hospital environment
- consult provider about OTC products (melatonin/chamomile)
20client education related to sleep
- exercise no less than 3 hrs before bed
- establish bedtime routine and schedule
- limit alcohol
21client education related to narcolepsy
- exercise regularly
- eat small meals high in protein
- avoid activities that increase sleepiness
- avoid activities that could cause injury if pt were to fall asleep (driving/heights)
- take naps when drowsy or narcoleptic events are likely
- take prescribed stimulants
22client education related to hypersomnolence disorder
- maintain a regular sleep/wake schedule
- provide ample sleep opportunities