780.5 Sleep disturbances
Excludes:
circadian rhythm sleep disorders (327.30-327.39)
organic hypersomnia (327.10-327.19)
organic insomnia (327.00-327.09)
organic sleep apnea (327.20-327.29)
organic sleep related movement disorders (327.51-327.59)
parasomnias (327.40-327.49)
that of nonorganic origin (307.40-307.49)