😴 Chronic vs Acute Insomnia Classification Simulator

Acute Insomnia Begins With an Identifiable Situational Stressor

Short placeholder: a life event triggers temporary sleep disruption.

• <3 mo: Typical duration (Short placeholder note)
• Usually: Trigger present (Short placeholder note)
• ~30-40%: Prevalence (Short placeholder note)
• Often self-limited: Resolution (Short placeholder note)

Situational onset and short course

Short placeholder: stress, illness, or schedule change starts symptoms.

Short placeholder: sleep normalizes once stressor resolves.

The Three-Month Rule Separates Acute From Chronic Insomnia

Short placeholder: duration and frequency define the DSM-5 cutoff.

• 12 weeks: Threshold (Short placeholder note)
• ≥3 nights/wk: Frequency rule (Short placeholder note)
• DSM-5 / ICSD-3: Classification tool (Short placeholder note)
• Guides workup: Clinical impact (Short placeholder note)

Why duration matters for classification

Short placeholder: crossing 3 months signals a shift in mechanism.

Short placeholder: threshold triggers different management pathway.

Chronic Insomnia Establishes a Self-Perpetuating Pattern

Short placeholder: conditioned arousal maintains sleep difficulty.

• ≥3 months: Duration (Short placeholder note)
• Conditioned arousal: Mechanism (Short placeholder note)
• Often absent: Trigger link (Short placeholder note)
• Common: Comorbidity (Short placeholder note)

From trigger to persistent condition

Short placeholder: maladaptive habits and beliefs sustain wakefulness.

Short placeholder: original trigger may no longer be present.

CBT-I Is Recommended First-Line Treatment for Chronic Insomnia

Short placeholder: behavioral therapy outperforms drugs long-term.

• First-line: Guideline status (Short placeholder note)
• ~70-80%: Response rate (Short placeholder note)
• 4-6 sessions: Components (Short placeholder note)
• Long-lasting: Durability (Short placeholder note)

Core CBT-I components

Short placeholder: stimulus control, sleep restriction, cognitive work.

Short placeholder: addresses root behavioral maintenance factors.

Short placeholder: CBT-I preferred over chronic hypnotic use.

Medication Use Differs by Acute Versus Chronic Classification

Short placeholder: short-term drugs for acute, adjunct for chronic.

• Short course: Acute use (Short placeholder note)
• Adjunct only: Chronic use (Short placeholder note)
• CBT-I: Preferred chronic tx (Short placeholder note)
• Dependence long-term: Risk (Short placeholder note)

Matching treatment to classification

Short placeholder: acute cases may use brief pharmacotherapy.

Short placeholder: chronic cases favor CBT-I with limited med use.