Table 1.

Prevalence of insomnia complaints and symptoms within the population endorsing daytime consequences of sleep disturbances.

	Frequency (%) within individuals with daytime consequences of sleep disturbances	% with GSD
GSD only	10.1
DIS only	3.5	55.8
DMS only
NA	2.9	28.4
DRS	6.6	41.6
EMA only	2.1	34.3
NRS only	9.2	67.0
DIS+DMS	3.2	75.5
DIS+EMA	0.3	90.9†
DIS+NRS	3.5	87.6†
DMS+EMA	2.4	60.5
DMS+NRS	5.0	77.2¶
EMA+NRS	1.3	68.3
DIS+DMS+EMA	3.0	87.0†
DIS+DMS+NRS	3.7	94.1†
DIS+EMA+NRS	1.1	97.1†
DMS+EMA+NRS	3.8	84.4†
DIS+DMS+EMA+NRS	4.7	96.0†

DIS: Difficulty initiating sleep; DRS: Difficulty resuming sleep; EMA: Early morning awakenings; NA: Nocturnal awakenings without difficulty resuming sleep) NRS: nonrestorative sleep; GSD: Global sleep dissatisfaction

^†p<.01 with single symptom (DIS, DMS, EMA, NRS)

^¶p<.01 with single symptom (DIS, DMS, EMA)