Diagnostic criteria for Circadian Rhythm Sleep Disorder
(Code 307.45 before 10.01.2005)
(cautionary statement)
A. A persistent or recurrent pattern of sleep disruption leading to excessive sleepiness or insomnia that is due to a mismatch between the sleep-wake schedule required by a person's environment and his or her
circadian
sleep-wake pattern.
B. The sleep disturbance causes clinically significant distress or impairment in social, occupational, or other important areas of functioning.
C. The disturbance does not occur exclusively during the course of another Sleep
Disorder or other mental disorder.
D. The disturbance is not due to the direct physiological effects of a substance
(e.g., a drug of abuse, a medication) or a general medical condition.
Specify type (code):
Delayed Sleep Phase Type (327.31 after 10.01.2005): a persistent pattern of late sleep onset and late awakening times, with an inability to fall asleep and awaken at a desired earlier time
Jet Lag Type (327.35 after 10.01.2005): sleepiness and alertness that occur at an inappropriate time of day relative to local time, occurring after repeated travel across more than one time zone
Shift Work Type (327.36 after 10.01.2005): insomnia during the major sleep period or excessive sleepiness during the major awake period associated with night shift work or frequently changing shift work
Unspecified Type (327.30 after 10.01.2005)
Reprinted with permission from the Diagnostic
and Statistical Manual of Mental Disorders, fourth Edition. Copyright 1994 American
Psychiatric Association
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