Circadian Rhythms
Sleep Stages
Sleep Disorders
Nursing Interventions
Sleep Signs & Symptoms
100

What type of rhythm follows a 24-hour cycle and regulates sleep-wake patterns?

What are circadian rhythms?

100

Which stage of NREM sleep is considered light sleep and where people are easily awakened?

What is Stage 1 of NREM sleep?

100

What is the most common sleep disorder characterized by difficulty falling or staying asleep?

What is insomnia?

100

Name one habit nurses should encourage to promote sleep.

What is maintaining a consistent sleep schedule?

100

What is one behavioral sign of disrupted sleep?

What is hyperactivity or irritability?

200

Name one factor that can disrupt circadian rhythms.

What is shift work or jet lag?

200

During which NREM stage do heart rate and body temperature decrease, making up the majority of sleep time?

What is Stage 2 of NREM sleep?

200

Which neurological disorder causes excessive daytime sleepiness and sudden sleep attacks?

What is narcolepsy?

200

What should patients avoid doing before bedtime to promote better sleep?

What is watching TV or using screens?

200

Which emotional change may occur with poor sleep quality?

What is anxiety or restlessness?

300

How can shift work or jet lag affect sleep and functioning?

They can lead to sleep disorders and impaired function.

300

Which stage of sleep is essential for physical restoration?

What is Stage 3 of NREM sleep?

300

What is the term for sudden loss of voluntary muscle tone triggered by emotions?

What is cataplexy?

300

If a patient cannot fall asleep within 15–30 minutes, what should they do?

What is get up and engage in a quiet activity until sleepy?

300

What physiological changes might nurses observe in a patient with sleep deprivation?

What are changes in physiological function such as increased HR or BP?

400

Which part of the brain regulates circadian rhythms?

What is the suprachiasmatic nucleus (SCN)?

400

What are two key features of REM sleep?

What are two key features of REM sleep?

400

Which disorder involves repeated episodes of breathing cessation lasting 10 seconds or longer?

What is sleep apnea?

400

Name three sleep-promoting activities that can be delegated to UAPs.

What are oral care, giving a backrub, and straightening linens?

400

Which condition may cause morning headaches and cardiovascular issues?

What is sleep apnea?

500

What are two physiological functions influenced by circadian rhythms besides sleep?

What are hormone release and body temperature?

500

Around how many minutes after sleep onset does REM sleep typically begin?

What is about 90 minutes?

500

Describe the difference between hypersomnia and insomnia.

Hypersomnia = excessive sleepiness; Insomnia = difficulty falling or staying asleep.

500

Why should sedatives be used only as a last resort for sleep issues?

They can cause dependence and alter normal sleep patterns.

500

How can impaired sleep affect judgment and cognitive function?

It can lead to poor decision-making and decreased concentration.

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