adolescent
app
application
cell
cellphone
checking
communication
connection
couch
dark
female
girl
home
hoodie
house
internet
lady
lifestyle
living room
lonely
looking phone
lying
message
mobile
mobile phone
night
nighttime
online
people
person
phone
relax
sad teen
smart cell
smartphone
smiling
social media
stressed
student
technology
teen
teenager
texting
unhappy
using smartphone
watching video
wifi
woman
young
young adult