alarm
background
bedtime
blue
calm
care
chemistry
clock
color
concept
cure
diagnosis
disease
disorder
dose
dream
drugs
flat
health
hypnotic
illness
insomnia
jar
lay
medic
medication
medicine
nap
night
object
pharmaceutical
pharmacy
pills
problem
relax
rest
sedative
sickness
sleep
sleeping
sleepless
somnifacient
somniferous
somnific
soporific
symptom
taking
top
treatment
view