asleep
awake
bed
care
clip art
concept
depression
design
disease
disorder
disturbance
disturbed
dyssomnia
editable
fatigue
health
health care
healthy
icon
illness
illustration
insomnia
isolated
legs
line
linear
man
medicine
mental
nervous
nervousness
nightmare
outline
person
restless
sign
sleep
sleeping
sleeping problem
sleepy
spasm
stress
stressful
symbol
syndrome
thin
treatment
trouble