These are the most frequently used words in this book.
1983
1985
1988
1989
activities
al
although
anxiety
arousal
asleep
associated
awakenings
bed
bedtime
behavioral
beliefs
between
causes
changes
chapter
chronic
clinical
clinician
cognitions
cognitive
common
complaint
component
conditions
control
data
day
daytime
diary
difficulties
disorders
disturbances
drug
duration
during
dysfunctional
effects
et
evaluation
even
evidence
example
excessive
factors
first
good
hours
however
hypnotic
important
individuals
initial
insomnia
insomniacs
intervention
kales
latency
may
medication
minutes
morin
need
night
often
onset
outcome
patients
patterns
people
poor
practices
problem
procedures
psychological
result
schedule
session
several
should
sleep
sleepers
stage
studies
subjective
therapy
though
time
treatment
two
use
used
wake
week
whether
withdrawal