Cognitive therapy for sleep misperception disorders:
This therapy works on the relationship between patients’
subjective perceptions of total sleeping time and the total
sleeping time obtained through PSG. The intention of
this approach is to give patients objective data on sleep
efficiency obtained through PSG and make them comprehend
that they are sleeping for longer than they think.
This technique also makes them more relaxed regarding
the quantity of sleep they consider necessary, and it enables
them to fall asleep more easily when this new reality
is acquired51-52