Rest and sleep

Question 1

NREM & REM

Answer 1

NREM: 80% of sleep / 4 stages
REM : 20 % of sleep / deepest sleep and dream

Question 2

4 stages of NREM

Answer 2

Stage 1 : transition to sleep ( 5%)
Stage 2 : light sleep ( 45-55%)
Stage 3 : deep sleep ( 3-8%)
Stage 4: more intense deep sleep (10-15%)

Question 3

Factors affect sleeping

Answer 3

Physical illness
Emotional stress
environment
lifestyle
excercise
diet
stimulants and alcohol
smoking
medications
motivations

Question 4

Benefits of correct use of body mechanics

Answer 4

Reduce injury
Facilitate body movements
allow more efficient use of energy
allow physical mobility without muscle strain

Question 5

Common positions in bed

Answer 5

Supine position
Fowler’s position : High / Fowler’s / Semi
Prone (side)
Lateral position