adult
awake
background
bedtime
care
caucasian
chronic
concept
deficit
depression
deprivation
difficulty
discomfort
disease
disorder
dream
exhausted
exhaustion
fatigue
female
frustrated
frustration
health
illness
insomnia
lifestyle
loss
mask
mental
night
person
pillow
portrait
problem
sad
sick
sleep
sleeping
sleepless
sleeplessness
sleepy
stress
suffering
symptom
tired
trouble
unhappy
woman
yellow
young