Table 1.

G1 SIPS Sleep Disturbance Symptom, based on the SIPS (Miller et al., 1999)

Symptom Scale	Descriptive Anchors*
0 (Absent)
1 (Questionably Present)	Restless sleep.
2 (Mild)	Some mild difficulty falling asleep or getting back to sleep.
3 (Moderate)	Daytime fatigue resulting from difficulty falling asleep at night or early awakening. Sleeping more than considered average.
4 (Moderately Severe)	Sleep pattern significantly disrupted and has intruded on other aspects of functioning (e.g. trouble getting up for school or work). Difficult to awaken for appointments. Spending a large part of the day asleep.
5 (Severe)	Significant difficult falling asleep or awakening early on most nights. May have day/night reversal. Usually not getting to scheduled activities at all.
6 (Extreme)	Unable to sleep at all for over 48 hours.

^*Anchors in each scale are intended to provide guidelines and examples of signs for every symptom observed. It is not necessary to meet every criterion in any one anchor to assign a particular rating. Basis for ratings includes both interviewer observations and patient reports.