Which Statement About Sleep Disturbances Is Supported by Research

Multiple Choice

Which statement about sleep disturbances is supported by research?

A) sleep disturbances are found in 43% of sleep participants who have no complaints of insomnia.
B) most individuals have a sleep disturbance.
C) most individuals are aware of their sleep disturbance.
D) 38% of sleep participants complain of insomnia when they actually sleep normally.