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Fundamentals · Topic 58 of 58

Sleep & Rest: Insomnia & Sleep Apnea

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Fundamentals · sleep and rest

Sleep & Rest: Insomnia & Sleep Apnea

Insomnia is fixed with behavior first; obstructive sleep apnea is an airway that collapses during sleep. The danger is a sleep apnea patient given opioids or sedatives.

01 · Post-op dangerOSA + opioids: continuous pulse oximetry
02 · Insomnia first-lineCBT-I before sleep medication
03 · Z-drug ruleSleep-driving or sleepwalking: stop it
01

Why it happens

Two different problems: can't get to sleep vs can't breathe while asleep

Chronic insomnia: trouble falling or staying asleep
At least 3 nights a week for at least 3 months
OSA: the upper airway collapses again and again during sleep
Alcohol and sedatives relax the throat; opioids add respiratory depression
02

OSA risk factors

Obesity, a large neck, male sex, older age

The patient
ObesityLarge neckMale sexOlder age
Relax the throat
AlcoholSedatives
03

What you'll see

The bed partner often notices sleep apnea first

Loud snoring hallmark
Witnessed pauses in breathing or gasping in sleep hallmark
Excessive daytime sleepiness hallmark
Morning headache, poor concentration
Untreated OSA: hypertension, stroke, MI, drowsy-driving crashes complication

Narcolepsy: sudden sleep attacks with daytime sleepiness, cataplexy (sudden muscle weakness triggered by strong emotion), sleep paralysis and hallucinations at sleep onset. Treatment uses wake-promoting drugs such as modafinil or stimulants; scheduled short naps help.

04

Screening & diagnosis

STOP-BANG screens · a sleep study confirms

STOP: Snoring, Tiredness, Observed apnea, high blood Pressure
BANG: BMI over 35, Age over 50, Neck 16 in or more, male Gender
Polysomnography (sleep study) confirms OSA
05

Red flags

Sleepwalking or sleep-driving on a Z-drug stop the drug
Falling SpO₂ or hard to rouse: OSA patient on opioids report now
New confusion or a fall: older adult on a sleep aid report now
Snoring and witnessed pauses in a surgical patient screen STOP-BANG
06

Treatment

CBT-Ichronic insomnia

First-line, before sleep medication

CPAPobstructive sleep apnea

Every night — bring the home device to the hospital

Z-drugsinsomnia, after CBT-I
zolpidem eszopiclone zaleplon

Take right before bed with 7–8 hours to sleep

Boxed warning: complex sleep behaviors — stop the drug
Older adultsBeers Criteria
zolpidem diphenhydramine

Avoid Z-drugs and diphenhydramine

Confusion, delirium, falls, fractures
More detail
Zolpidem: lower starting dose for women (5 mg) — slower clearance
A complex sleep behavior on one Z-drug: none of them again
Melatonin: a supplement, doses vary, weak evidence for chronic insomnia
Sleep hygiene alone isn't enough for chronic insomnia — part of CBT-I
OSA support: weight loss, side-sleeping, no alcohol or sedatives at night
07

Nursing priorities

OSA after surgery: continuous pulse oximetry, avoid supine
Minimize opioids and sedatives in the OSA patient
Use the patient's home CPAP every night, including after surgery
Fall precautions with any sedative-hypnotic, especially older adults
Cluster care at night; reduce noise and light
08

Insomnia or sleep apnea?

Can't get to sleep vs can't breathe while asleep

InsomniaSleep apnea
ProblemTrouble falling or staying asleepUpper airway collapses during sleep
Key clue3+ nights a week for 3+ monthsLoud snoring, witnessed pauses, daytime sleepiness
First-lineCBT-ICPAP every night
SedativesSecond-line, after CBT-IMinimize — they relax the airway
09

Teach your patient

Wake up at the same time every day, including days off
Use the bed only for sleep
Not asleep in about 20 minutes? Get up, do something quiet
Limit daytime naps; don't sleep in
No caffeine in the afternoon or evening
No alcohol, large meals or screens before bed
Never mix sleep medicine with alcohol
Zolpidem: next-morning impairment can occur even when you feel awake — no driving without a full 7–8 hours of sleep

Alcohol helps sleep onset but disrupts sleep later in the night. Adults need about 7–9 hours of sleep a night.

Pearl

Insomnia: CBT-I first. Sleep apnea: CPAP every night. Snoring + witnessed pauses + daytime sleepiness after surgery means continuous pulse oximetry and the fewest opioids possible.

Sources · Fundamentals of Nursing 28.4 Nursing Care to Promote Sleep and Rest (OpenStax) · Behavioral and Psychological Treatments for Chronic Insomnia (AASM, J Clin Sleep Med 2021) · About Sleep (CDC) · Sleep Apnea (NHLBI) · Obstructive Sleep Apnea (StatPearls) · STOP-Bang (American Thoracic Society) · Perioperative Management of Obstructive Sleep Apnea (ASA) · Insomnia Medicines Boxed Warning (FDA) · Ambien Label (DailyMed) · 2023 Beers Criteria (American Geriatrics Society) · Melatonin (NCCIH) · Follow your facility's protocol for postoperative monitoring.

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