Source comparison
Peptides for Insomnia Compared: Mechanism and Use Case Comparison
DSIP (Delta Sleep-Inducing Peptide) Enhances GABAergic tone in brainstem reticular formation; potentiates slow-wave delta rhythms Sleep maintenance insomnia; shallow, non-restorative sleep Increases stage 3 NREM by 28–34%; no REM suppression Effects appear wit
This comparison does not assign a generated winner or score.
- DSIP (Delta Sleep-Inducing Peptide)
- Enhances GABAergic tone in brainstem reticular formation; potentiates slow-wave delta rhythms
- Sleep maintenance insomnia; shallow, non-restorative sleep
- Increases stage 3 NREM by 28–34%; no REM suppression
- Effects appear within 60–90 minutes; architectural changes persist 6–8 hours
- Best for patients who fall asleep normally but wake frequently or feel unrefreshed despite adequate time in bed
- Epitalon
- Upregulates pineal melatonin synthesis; restores circadian rhythm responsiveness to light-dark cycles
- Circadian phase disorders; age-related sleep degradation
- Normalizes nocturnal melatonin peaks; improves sleep onset latency and total sleep time
- Cumulative effect over 10–20 days; benefits persist 2–4 months post-cycle
- Best for delayed sleep phase syndrome, shift work disorder, and elderly patients with pineal calcification
- Selank
- Potentiates endogenous GABA signaling; reduces cortisol reactivity and sympathetic arousal
- Anxiety-driven sleep-onset insomnia; hyperarousal preventing sleep initiation
- Reduces sleep latency by 15–20 minutes; no architectural disruption or REM suppression
- Acute effect within 30–60 minutes; no tolerance development
- Best for patients whose insomnia is driven by racing thoughts, rumination, or generalized anxiety rather than circadian or architectural dysfunction