Insomnia Disorder
Diagnostic timing
1 wk1 mo6 mo1 yr2 yr
Timing criteria (plain language)
Duration of symptoms needed to diagnose: at least 3 months.
Nuances: Sleep difficulty occurs ≥3 nights/week for ≥3 months.
Duration of symptoms needed to diagnose: at least 3 months.
Nuances: Sleep difficulty occurs ≥3 nights/week for ≥3 months.