Histogram

Insomnia Severity Index: Difficulty staying asleep vs STAGES Visit
Alliance Sleep Questionnaire
Total 1,881
None 486
Mild 375
Moderate 434
Severe 309
Very Severe 178
Unknown 99
Insomnia Severity Index: Difficulty staying asleep vs Participant's sex
Alliance Sleep Questionnaire
Male Female Total
Total 868 991 1,859
None 254 232 486
Mild 187 188 375
Moderate 201 233 434
Severe 122 187 309
Very Severe 66 112 178
Unknown 38 39 77