GET SOME REAL SLEEP.
Bad sleep wrecks everything — energy, focus, recovery, mood. These are the peptides researchers look at when the goal is deeper, steadier rest. Here’s what each one does, what can go sideways, and how they’re typically dosed.
Primary Benefits
Epithalon
- Stimulates melatonin release from the pineal gland, improving circadian rhythm regulation
- Reported to enhance deep and restorative sleep in clinical studies
- Supports telomere health and healthy aging, indirectly benefiting sleep cycles
Selank
- An anxiolytic peptide that reduces cortisol and calms the nervous system
- Improves sleep onset and maintenance, especially in anxiety-related insomnia
- Enhances serotonin and dopamine balance, leading to more stable mood and rest
Semax
- Primarily studied for cognitive enhancement, but reports show improved mental calmness at lower dosing
- Reduces neuroinflammation and hyperarousal, which can interfere with sleep
- Indirectly supports better sleep in individuals with stress-related disturbances
Sermorelin, CJC-1295, Ipamorelin
- All three stimulate natural growth hormone (GH) release, which peaks during slow-wave sleep
- Users report deeper, more restorative sleep and vivid dreams
- Improve overnight tissue repair and recovery, leading to better energy on waking
MK-677 (Oral)
- A non-peptide GH secretagogue studied for improving sleep quality and dream vividness
- Supports GH and IGF-1 release without injections
- Often reported to improve REM and deep sleep cycles
Potential Side Effects
- Epithalon: Rare injection site irritation; otherwise well-tolerated
- Selank: Mild headache or nasal irritation if administered intranasally (in some studies); injections well-tolerated
- Semax: Overstimulation or anxiety at higher doses
- Sermorelin / CJC-1295 / Ipamorelin: Redness at injection site; vivid dreams; temporary water retention
- MK-677: Increased appetite, mild edema, occasional fatigue if overdosed
Dosing & Protocol
Epithalon – 10mg (Subcutaneous, SQ)
- Reconstitution: 1.0 mL bacteriostatic water
- Daily Dose: 10 mg (100 units)
- Cycle: Every 3 days for 15 days; repeat twice yearly (5 vials total)
- Timing: Morning, on an empty stomach
Selank – 5mg (SQ)
- Reconstitution: 3.0 mL bacteriostatic water
- Daily Dose: 166 mcg (10 units)
- Cycle: 5 days on / 2 days off, 6 weeks
- Timing: Based on personal preference
Semax – 10mg (SQ)
- Reconstitution: 3.0 mL bacteriostatic water
- Daily Dose: 200 mcg (6 units)
- Cycle: 5 days on / 2 days off, 6 weeks
- Timing: Based on personal preference
Sermorelin – 2mg / 5mg (SQ)
- Reconstitution: 2 mg vial → 2.0 mL bacteriostatic water; 5 mg vial → 2.5 mL bacteriostatic water
- Daily Dose: 2 mg → 100–200 mcg (10–20 units); 5 mg → 200–400 mcg (10–20 units)
- Cycle: 5 days on / 2 days off, 4–5 weeks
- Timing: Morning, 2 hours after eating, or before bed
CJC-1295 (no DAC) – 2mg (SQ)
- Reconstitution: 2.0 mL bacteriostatic water
- Daily Dose: 100–200 mcg (10–20 units)
- Cycle: 5 days on / 2 days off, 4–12 weeks
- Timing: 2 hours after last meal, just before bed
Ipamorelin – 2mg / 5mg (SQ)
- Reconstitution: 2 mg → 2.0 mL bacteriostatic water; 5 mg → 2.5 mL bacteriostatic water
- Daily Dose: 2 mg → 100–200 mcg (10–20 units); 5 mg → 200 mcg (10 units)
- Cycle: 5 days on / 2 days off, 4–5 weeks
- Timing: Before bedtime on empty stomach
MK-677 – Oral
- Form: 15 mg × 60 caps (900 mg total)
- Daily Dose: 15–30 mg (1–2 caps)
- Cycle: 10–12 weeks
- Timing: On an empty stomach
Who Are These For?
- Individuals struggling with insomnia or irregular sleep cycles
- Those experiencing anxiety-driven sleep disruption
- Athletes or high performers seeking deep recovery and GH optimization
- Older adults with declining melatonin or GH levels
- People needing circadian rhythm reset (e.g., shift work, jet lag)
Notes
- Epithalon and Selank are most direct for circadian and anxiety-related sleep issues
- Sermorelin, CJC-1295, and Ipamorelin improve deep-wave, recovery-driven sleep
- MK-677 offers a non-injectable option for those preferring oral delivery
- Stacking (e.g., Selank + Ipamorelin) can be more effective than a single peptide
References
- Korkushko OV, et al. [Normalizing effect of the pineal gland peptides on the daily melatonin rhythm in old monkeys and elderly people]. Adv Gerontol. 2007;20(1):74-85. PubMed
- Khavinson VKh, et al. Epithalon peptide induces telomerase activity and telomere elongation in human somatic cells. Bull Exp Biol Med. 2003;135(6):590-592. PubMed
- Zozulia AA, et al. [Efficacy and possible mechanisms of action of a new peptide anxiolytic selank in the therapy of generalized anxiety disorders and neurasthenia]. Zh Nevrol Psikhiatr Im S S Korsakova. 2008;108(4):38-48. PubMed
- Van Cauter E, et al. Age-related changes in slow wave sleep and REM sleep and relationship with growth hormone and cortisol levels in healthy men. JAMA. 2000;284(7):861-868. PubMed
- Copinschi G, et al. Prolonged oral treatment with MK-677, a novel growth hormone secretagogue, improves sleep quality in man. Neuroendocrinology. 1997;66(4):278-286. PubMed
Disclaimer
The information provided is for educational purposes only and does not substitute medical advice. Always consult a qualified healthcare professional before starting any peptide protocol.
Pep Hub products are sold for laboratory research use only. They are not for human or veterinary use. This is not medical advice — talk to a clinician about your sleep, and stop and get medical help if something feels wrong.
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