Table 4. Frequencies of reported improvements in sleep disturbance.

Type of sleep disturbance	N	No noticeable improvement, n (%)	Somewhat improved, n (%)	Very much improved, n (%)
Fall asleep	9,671	772 (8.0)	3,151 (32.6)	5,748 (59.4)
Stay asleep	9,250	2,807 (30.3)	4,109 (44.4)	2,334 (25.2)
Getting restful sleep	8,514	1,899 (20.8)	4,619 (50.5)	2,624 (28.7)
Not waking up too early	9,142	5,144 (60.4)	2,440 (28.7)	930 (10.9)