{"title":"Peptides for Sleep, Stress \u0026 Circadian Research","description":"\u003cstyle\u003eheader.purist-hero{display:none!important}.pp-intro{background:#fff!important;padding:0!important}.pp-intro .pp-wrap{max-width:none!important;margin:0!important;padding:0!important;text-align:left!important}.pp-intro .pp-kicker,.pp-intro .pp-trust{display:none!important}.pp-body{background:#fff!important;padding:0!important}.pp-body .pp-wrap{max-width:none!important;margin:0!important;padding:0!important}.pp-body .pp-cta,.pp-faqwrap:empty{display:none!important}.px-cut{display:none!important}\n.px{--nv:#0d2233;--tl:#3a9ab5;--ink:#1f2937;--mut:#5b6b7a;--ln:#e3e8ee;--sf:#f5f8fa;font-family:Montserrat,-apple-system,sans-serif;color:var(--ink);line-height:1.6}.px *{box-sizing:border-box}.px h1,.px h2,.px h3,.px h4{color:var(--nv)!important;font-weight:800;line-height:1.15;margin:0 0 14px;padding:0;border:0}.px p,.px li,.px td,.px th,.px div,.px span{color:var(--ink)}.px 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p{color:#5b6b7a!important;font-size:15px}.pp-body .px .px-ac summary h3{font-size:16.5px;font-weight:700;margin:0;display:inline}.pp-body .px a{border-bottom:0;font-weight:inherit}.pp-body .px .px-tbl td a,.pp-body .px .px-tbl td a:hover{color:#0d2233!important;font-weight:700;border-bottom:1px solid rgba(58,154,181,.5)}.pp-body .px .px-cbody .px-cd+.px-lnk{margin-top:auto}.pp-body .px .px-lnk,.pp-body .px .px-lnk:hover{border:1px solid #0d2233;color:#0d2233!important;font-weight:700}.pp-body .px .px-coa,.pp-body .px .px-coa:hover{border:1px solid #e3e8ee;color:#0d2233!important;font-weight:700}.pp-body .px .px-rel a,.pp-body .px .px-rel a:hover{border:1px solid #e3e8ee;color:#0d2233!important;font-weight:600}.pp-body .px .px-b2{border:1px solid #e3e8ee;color:#0d2233!important;font-weight:600}.pp-body .px .px-stkc,.pp-body .px .px-stkc:hover{border:1px solid #e3e8ee}.pp-body .px .px-stkc .px-stkt{color:#0d2233!important}.pp-body .px .px-stkc .px-stka{color:#3a9ab5!important}.pp-body .px ul,.pp-body .px ul li{background:none;border:0;padding:0;border-radius:0}.pp-body .px em{color:#5b6b7a;font-size:inherit}.pp-body .px .px-coa em{color:#3a9ab5!important;font-size:11px;font-weight:600}.pp-body .px .px-note em{font-size:12.5px}\n@media(max-width:1000px){.px-cc{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.px-g2{grid-template-columns:1fr;gap:28px}.px-hero h1{font-size:30px}.px-stats .px-in{grid-template-columns:repeat(2,1fr);gap:20px}.px-sec{padding:42px 0}.px-sec h2,.pp-body .px .px-sec h2{font-size:23px}.px-tbl td:first-child{width:auto}}@media(max-width:560px){.px-cc,.px-cc1{grid-template-columns:1fr;max-width:none}.px-hero{padding:28px 0 36px}.px-hero h1{font-size:27px}}\n\u003c\/style\u003e\n\u003cdiv class=\"px px-top\"\u003e\n\u003cdiv class=\"px-full px-hero\"\u003e\u003cdiv class=\"px-in px-g2\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"px-crumb\"\u003e\n\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e\u003cspan\u003e\/\u003c\/span\u003e\u003ca href=\"\/collections\"\u003eCollections\u003c\/a\u003e\u003cspan\u003e\/\u003c\/span\u003eSleep \u0026amp; Mood\u003c\/div\u003e\n\u003cdiv class=\"px-kick\"\u003eSleep, Stress \u0026amp; Circadian\u003c\/div\u003e\n\u003ch1\u003ePeptides for Sleep, Stress \u0026amp; Circadian Research\u003c\/h1\u003e\n\u003cdiv class=\"px-lede\"\u003ePeptides for sleep are compounds studied for sleep architecture, circadian signalling and the stress-response pathways that govern rest. In the Purist range this centres on DSIP — Delta Sleep-Inducing Peptide — named for the delta-wave activity characteristic of the deepest, most restorative stage of sleep.\u003c\/div\u003e\n\u003cul class=\"px-ticks\"\u003e\n\u003cli\u003e99%+ Verified Purity\u003c\/li\u003e\n\u003cli\u003eIndependent HPLC Assay\u003c\/li\u003e\n\u003cli\u003eThird-Party Lab Tested\u003c\/li\u003e\n\u003cli\u003eLyophilised \u0026amp; Sealed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"px-btns\"\u003e\n\u003ca class=\"px-b1\" href=\"#px-grid\"\u003eView the 1 compound\u003c\/a\u003e\u003ca class=\"px-b2\" href=\"#px-choose\"\u003eHow to choose\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"px-img\" alt=\"Purist Peptides research vials for sleep and mood research\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/ChatGPT_Image_Feb_28_2026_12_55_12_PM.png?v=1772795583\u0026amp;width=900\" width=\"900\" height=\"900\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-stats\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1\u003c\/b\u003e\u003ci\u003eCompound in category\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e99%+\u003c\/b\u003e\u003ci\u003eMinimum verified purity\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHPLC\u003c\/b\u003e\u003ci\u003eIndependent assay method\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e100%\u003c\/b\u003e\u003ci\u003eBatches assayed\u003c\/i\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"px-cut\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"px px-bot\"\u003e\n\u003cdiv class=\"px-full px-sec\"\u003e\u003cdiv class=\"px-in px-g2\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"px-kick\"\u003eMechanisms\u003c\/div\u003e\n\u003ch2\u003eWhat sleep research actually measures\u003c\/h2\u003e\n\u003cdiv class=\"px-lede\" style=\"max-width:none\"\u003eSleep research is concerned with structure rather than duration. A night's sleep cycles through stages, and the deep delta-wave stage is where most physical restoration and the largest growth-hormone pulse occur. DSIP is studied for its influence on that architecture — depth and REM stability — at 100–200 mcg nightly over 4–6 weeks, rather than as a sedative that simply induces unconsciousness.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"px-img\" alt=\"Purist Peptides research compounds in a laboratory setting\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/Gemini_Generated_Image_v4chflv4chflv4ch.png?v=1772804244\u0026amp;width=800\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec px-alt\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv class=\"px-kick\"\u003eStudy design\u003c\/div\u003e\n\u003ch2\u003eSleep, cortisol and the recovery link\u003c\/h2\u003e\n\u003cdiv class=\"px-sub\" style=\"max-width:900px\"\u003eThe category extends beyond sleep because the same pathways govern stress. DSIP is investigated for cortisol modulation and stress-response signalling at 150–250 mcg in evening protocols, and for circadian rhythm optimisation at 200–300 mcg over 6–8 weeks. Because growth-hormone release concentrates in deep sleep, sleep research overlaps directly with recovery research — which is why DSIP is frequently studied alongside CJC-1295, GHK-Cu or NAD+ in recovery protocols. Sleep hygiene remains part of any credible model: light exposure, timing and consistency are controlled rather than ignored.\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv class=\"px-kick\"\u003eThe range\u003c\/div\u003e\n\u003ch2\u003eCompounds in this category\u003c\/h2\u003e\n\u003cdiv class=\"px-sub\"\u003eThe compounds grouped here, each with the pathway it is studied for and the protocol shape most often used.\u003c\/div\u003e\n\u003cdiv class=\"px-cc px-cc1\"\u003e\u003cdiv class=\"px-card\"\u003e\n\u003ca href=\"\/products\/dsip\"\u003e\u003cimg alt=\"DSIP research peptide vial by Purist Peptides\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-peptides-dsip-sleep-recovery-stress-support-vial.jpg?v=1784719396\u0026amp;width=520\" width=\"520\" height=\"520\" loading=\"lazy\"\u003e\u003c\/a\u003e\u003cdiv class=\"px-cbody\"\u003e\n\u003ch4\u003eDSIP\u003c\/h4\u003e\n\u003cdiv class=\"px-mech\"\u003eSleep architecture\u003c\/div\u003e\n\u003cdiv class=\"px-cd\"\u003eDelta Sleep-Inducing Peptide, studied for deep sleep cycles, REM stability, cortisol modulation and circadian rhythm signalling. Protocols run 100–300 mcg nightly before sleep over 4–8 weeks, followed by a 2–4 week break, with lower-dose maintenance at 100–150 mcg, 3–5× weekly\u003c\/div\u003e\n\u003ca class=\"px-lnk\" href=\"\/products\/dsip\"\u003eView DSIP\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec px-alt\" id=\"px-choose\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv class=\"px-kick\"\u003eSelection\u003c\/div\u003e\n\u003ch2\u003eHow to choose\u003c\/h2\u003e\n\u003cdiv class=\"px-sub\"\u003eStart from the research question, not the compound name.\u003c\/div\u003e\n\u003ctable class=\"px-tbl\"\u003e\n\u003ctr\u003e\n\u003cth\u003eIf the research question is…\u003c\/th\u003e\n\u003cth\u003eStart with\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSleep depth and architecture\u003c\/td\u003e\n\u003ctd\u003eDSIP, the only compound in the range with a dedicated sleep literature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvernight recovery and growth-hormone pulse\u003c\/td\u003e\n\u003ctd\u003epair with \u003ca href=\"\/products\/cjc-1295-w-dac\"\u003eCJC-1295 w DAC\u003c\/a\u003e; the \u003ca href=\"\/pages\/deep-sleep-peptide-stack\"\u003eDeep Sleep Stack\u003c\/a\u003e combines both\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical tissue recovery instead\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/collections\/recovery-repair-peptides\"\u003eRecovery \u0026amp; Repair\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDaytime cellular energy instead\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/collections\/energy-mitochondrial-peptides\"\u003ePeptides for Energy\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv class=\"px-kick\"\u003ePre-paired\u003c\/div\u003e\n\u003ch2\u003eStacks built on this category\u003c\/h2\u003e\n\u003cdiv class=\"px-sub\"\u003eTwo pathways studied in parallel, priced and packaged as one protocol.\u003c\/div\u003e\n\u003cdiv class=\"px-stk\"\u003e\u003ca class=\"px-stkc\" href=\"\/pages\/deep-sleep-peptide-stack\"\u003e\u003cspan class=\"px-stkt\"\u003eDeep Sleep Stack\u003c\/span\u003e\u003cspan class=\"px-stkd\"\u003eDSIP + CJC-1295 w DAC — sleep depth and the overnight GH pulse.\u003c\/span\u003e\u003cspan class=\"px-stka\"\u003eView the stack\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec px-alt\"\u003e\u003cdiv class=\"px-in px-g2\"\u003e\n\u003cdiv\u003e\u003cimg class=\"px-img\" alt=\"Independent laboratory testing of Purist Peptides research compounds\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/wmremove-transformed.png?v=1772795582\u0026amp;width=800\" width=\"800\" height=\"800\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"px-kick\"\u003eVerified quality\u003c\/div\u003e\n\u003ch2\u003eTested before it ships\u003c\/h2\u003e\n\u003cdiv class=\"px-sub\"\u003eMinimum 99% verified purity, independently third-party assayed each batch · full protocol detail on the product page covering sleep, stress, circadian and recovery models with dose, frequency and cycle length · lyophilised, refrigerate 2–8 °C after reconstitution. See Quality Standards.\u003c\/div\u003e\n\u003cdiv class=\"px-btns\"\u003e\u003ca class=\"px-b2\" href=\"\/pages\/quality-standards\"\u003eSee Quality Standards \u0026amp; all COAs\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec\"\u003e\u003cdiv class=\"px-in\"\u003e\u003cdiv class=\"px-faq\"\u003e\n\u003cdiv class=\"px-kick\"\u003eQuestions\u003c\/div\u003e\n\u003ch2\u003eSleep research FAQ\u003c\/h2\u003e\n\u003cdetails class=\"px-ac\" open\u003e\u003csummary\u003e\u003ch3\u003eWhat is DSIP studied for?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"px-ab\"\u003e\u003cp\u003eDSIP is researched for sleep architecture — depth of delta-wave sleep and REM stability — alongside cortisol modulation, stress-response signalling and circadian rhythm regulation. It is studied for sleep quality rather than sleep duration.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"px-ac\"\u003e\u003csummary\u003e\u003ch3\u003eIs DSIP a sedative?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"px-ab\"\u003e\u003cp\u003eIt is not characterised that way in research. Sedatives induce unconsciousness; DSIP is studied for its influence on the structure of sleep and on neuroendocrine signalling, which is a different endpoint.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"px-ac\"\u003e\u003csummary\u003e\u003ch3\u003eWhen is DSIP administered in protocols?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"px-ab\"\u003e\u003cp\u003eNightly before sleep, at 100–300 mcg depending on the model, typically over 4–8 weeks with a 2–4 week break between cycles. Stress and cortisol protocols use evening dosing at 150–250 mcg.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"px-ac\"\u003e\u003csummary\u003e\u003ch3\u003eWhy does sleep research overlap with recovery?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"px-ab\"\u003e\u003cp\u003eGrowth-hormone release is concentrated during deep sleep, so sleep depth and physical recovery are studied as linked variables. DSIP is frequently combined with CJC-1295, GHK-Cu or NAD+ in recovery protocols for that reason.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"px-ac\"\u003e\u003csummary\u003e\u003ch3\u003eDoes this replace sleep hygiene?\u003c\/h3\u003e\u003c\/summary\u003e\u003cdiv class=\"px-ab\"\u003e\u003cp\u003eNo. Sleep research controls for light exposure, timing and routine so the compound is the measured variable. Those fundamentals remain part of the model rather than something the compound substitutes for.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-sec px-alt\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003cdiv class=\"px-kick\"\u003eKeep exploring\u003c\/div\u003e\n\u003ch2\u003eRelated research categories\u003c\/h2\u003e\n\u003cdiv class=\"px-rel\"\u003e\n\u003ca href=\"\/collections\/recovery-repair-peptides\"\u003eRecovery \u0026amp; Repair\u003c\/a\u003e\u003ca href=\"\/collections\/energy-mitochondrial-peptides\"\u003eEnergy \u0026amp; Mitochondrial\u003c\/a\u003e\u003ca href=\"\/collections\/anti-aging-longevity-peptides\"\u003eAnti-Ageing \u0026amp; Longevity\u003c\/a\u003e\u003ca href=\"\/collections\/lean-muscle-growth-peptides\"\u003eLean Muscle \u0026amp; Growth\u003c\/a\u003e\u003ca href=\"\/collections\/all-peptides\"\u003eThe full range\u003c\/a\u003e\u003ca href=\"\/pages\/peptide-stacks\"\u003eAll peptide stacks\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-cta\"\u003e\u003cdiv class=\"px-in\"\u003e\n\u003ch2\u003eResearch-grade, verified, traceable.\u003c\/h2\u003e\n\u003cp\u003eEvery batch assayed by an independent laboratory before release — minimum 99% verified purity.\u003c\/p\u003e\n\u003cdiv class=\"px-btns\" style=\"justify-content:center\"\u003e\n\u003ca class=\"px-b1\" style=\"background:#fff;color:#0d2233!important\" href=\"#px-grid\"\u003eShop this category\u003c\/a\u003e\u003ca class=\"px-b2\" style=\"background:transparent;color:#fff!important;border:1px solid rgba(255,255,255,.35)\" href=\"\/pages\/quality-standards\"\u003eQuality Standards\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"px-full px-note\"\u003e\u003cdiv class=\"px-in\"\u003e\u003cem\u003eResearch use only. Not for human or veterinary consumption. Supplied strictly for qualified researchers and laboratory settings.\u003c\/em\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript\u003e\n(function(){var th=document.querySelector('header.purist-hero h1');if(th)th.remove();var g=document.querySelector('[id*=\"collection_products\"]');if(g\u0026\u0026!document.getElementById('px-grid')){var a=document.createElement('span');a.id='px-grid';a.style.cssText='display:block;position:relative;top:-90px';g.parentNode.insertBefore(a,g);}})();\n\u003c\/script\u003e","products":[{"product_id":"dsip","title":"DSIP","description":"\u003cp\u003eThis peptide is associated with sleep cycle regulation, restorative sleep, and neurological signaling balance.\u003c\/p\u003e\n\u003cp\u003eKey Features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"30,0,0\"\u003e\u003cspan class=\"citation-72\"\u003eSleep Architecture Support:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-72 citation-end-72\"\u003e Linked to deep and restorative sleep cycles.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"citation-72 citation-end-72\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"30,1,0\"\u003eNeurological Balance:\u003c\/b\u003e Associated with CNS modulation pathways.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-path-to-node=\"30,2,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"30,2,0\"\u003eStress Response Context:\u003c\/b\u003e Referenced in relaxation and recovery conversations.\u003c\/li\u003e\n\u003cli data-path-to-node=\"30,3,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"30,3,0\"\u003eAnalytically Verified:\u003c\/b\u003e Identity confirmed through rigorous laboratory testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"12,2,1,6,0\"\u003eRegulatory Note:\u003c\/b\u003e Research Use Only.\u003c\/p\u003e","brand":"Purist Peptides","offers":[{"title":"Default Title","offer_id":51215244820778,"sku":null,"price":3000.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/2422\/6090\/files\/purist-peptides-dsip-sleep-recovery-stress-support-vial.jpg?v=1784719396"}],"url":"https:\/\/puristpeptides.co.za\/collections\/sleep-mood-peptides.oembed","provider":"Purist Peptides","version":"1.0","type":"link"}