These are the most frequently used words in this book.
able
again
although
another
apparently
appear
arousal
awakening
aware
between
body
case
certain
chapter
control
degree
differences
different
difficulty
does
dreamers
dreaming
dreams
during
effect
environment
even
example
experience
experiments
eyes
fact
false
find
first
following
form
found
hallucinations
hallucinatory
hand
having
hemisphere
himself
however
idea
imagery
kind
least
life
light
lucid
lucidity
may
might
mind
myself
normal
number
obes
occur
ordinary
own
paralysis
part
particular
people
perceptual
person
point
possible
present
question
quite
rather
real
relatively
rem
reported
reports
result
see
seems
should
situation
sleep
sometimes
stage
state
subject
suggest
test
think
thought
time
two
type
usually
waking
whether