Which stage of sleep is characterized by the beginning of falling asleep, slowing heart rate, muscle relaxation, and myoclonic jerks?

• Stage 1

• Stage 2

• REM sleep

• Stage 4

SATA: During which stages of sleep does a person arouse easily?

• Stage 1

• Stage 2

• Stage 3

• REM sleep

Stages ___ and ___ are deeper stages of sleep where the sleeper is more difficult to rouse.

• 3 and 4

• 1 and 2

• 2 and 3

• 1 and 4

Which of the following is NOT a characteristic of REM sleep?

• A) Vivid, full-color dreams may occur

• B) HR, BP, and RR will fluctuate

• C) Sleeper is easy to arouse

• D) Usually happens 90 mins after sleep has begun

Fill in the blank: During a typical night, people will pass through ___ to ___ complete sleep cycles.

• four to six

• one to two

• seven to nine

• ten to twelve

CHALLENGE: What is the correct order of a typical sleep cycle?

• PH>1>2>3>4>3>2>REM>2>3>4>3>2>REM...

• PH>2>3>4>1>REM>3>2>1>REM...

• PH>1>3>2>4>REM>2>3>1>REM...

• PH>4>3>2>1>REM>2>3>4>REM...

Identify physical illnessess that can disrupt sleep.

• Hypertension, respiratory, musculoskeletal, chronic illness, nausea

• Vitamin C deficiency, mild dehydration, paper cut, sunburn

• Seasonal allergies, mild headache, dandruff, hiccups

• Mild cold, bruised knee, hangnail, static electricity

Which of the following drugs or substances can disrupt sleep?

• Hypnotics

• Diuretics

• Alcohol

• All of the above

Moderate exercise and fatigue cause a restful sleep.

• True

• False

What is a common characteristic of insomnia?

• Excessive daytime sleepiness

• Chronic difficulty falling asleep, frequent awakenings from sleep, short sleep or non-restorative sleep

• Cataplexy

• Sleep paralysis