Sleep & Circadian Peptides
Peptides researched for their effects on sleep quality, circadian rhythm regulation, and related hormonal pathways.
Sleep & Circadian Peptides: Research Overview
Several research peptides interact with pathways that regulate sleep architecture and circadian rhythms. Growth hormone secretion, which occurs primarily during deep sleep, is a key area of peptide research.
Key Connections
CJC-1295/Ipamorelin and Sleep Growth hormone releasing peptides stimulate GH secretion, which naturally peaks during slow-wave sleep. Research with GHRH analogs like CJC-1295 and ghrelin mimetics like Ipamorelin has explored their effects on sleep architecture and GH pulsatility during sleep cycles.
Epithalon and Circadian Rhythm Epithalon's research origins relate to the pineal gland, which produces melatonin — the primary hormone regulating circadian rhythms. Studies have examined Epithalon's effects on pineal function and melatonin production in aging models.
Research Applications
- Growth hormone pulsatility during sleep
- Circadian rhythm regulation
- Pineal gland function
- Sleep architecture studies
- Melatonin pathway research
Research-Grade Sleep & Circadian Peptides
>98% purity, third-party tested. Free shipping on orders over $200.
Sleep & Circadian Peptides — Available Products
Research-grade compounds from Apollo Peptide Sciences. >98% purity, CoA on request.
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Frequently Asked Questions
How do growth hormone peptides relate to sleep?
Growth hormone is primarily secreted during deep slow-wave sleep. GHRH analogs and ghrelin mimetics that stimulate GH release interact with the same pathways that regulate sleep architecture.
What is Epithalon's connection to sleep?
Epithalon is based on a pineal gland peptide, and the pineal gland produces melatonin, the primary circadian rhythm hormone. Research has explored Epithalon's effects on pineal function and melatonin production.
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Research-grade sleep & circadian peptides from Apollo Peptide Sciences. Third-party tested, >98% purity guaranteed.

