adult
alone
anxiety
asleep
awake
background
bed
bedroom
bedtime
dark
depressed
disorder
disturbed
exhausted
fatigue
fear
frustrated
headache
health
home
house
illness
indoors
insomnia
male
man
night
nightmare
pain
person
problem
restless
sad
sadness
sick
sitting
sleep
sleepless
sleeplessness
sleepy
stress
stressed
suffer
suffering
thinking
tired
trouble
unhappy
upset
worried