What is the link between collagen and sleep?

And if the secret to deep and restorative sleep lay in your wellness routine?
Collagen, much more than a beauty ally, plays a still unknown role in sleep quality. Thanks to the natural presence of glycine, an amino acid with soothing properties, it acts directly on the mechanisms of nighttime rest. 

Increasingly popular, marine collagen dietary supplements are now establishing themselves as true supports for rebalancing restless nights, promoting falling asleep, and extending phases of deep sleep. 

Discover how this structural protein can transform your nights… and awaken your vitality ✨

What is collagen?

Collagen is an essential structural protein found abundantly in our body. It accounts for about 30% of the total proteins in the body and plays a crucial role in the formation and maintenance of the structure of the skin, hair, nails, joints, and bones. 

Starting at age 25, collagen production decreases, which can lead to signs of aging such as wrinkles and skin laxity.

Discover everything you need to know about collagen to better understand its importance.

Why is sleep essential for health?

Sleep is a fundamental biological function that allows the body to regenerate and repair itself. 

During sleep, essential processes such as hormone production, tissue repair, and memory consolidation take place. Quality sleep is therefore crucial for maintaining optimal physical and mental balance.

How does sleep contribute to the natural production of collagen?

During the night, the body enters a regeneration phase. It is at this moment that collagen production is most active. 

This protein is essential for the firmness and elasticity of the skin and contributes to the regeneration of skin cells. 

A restorative sleep therefore promotes the natural production of collagen, thus helping to maintain youthful and healthy skin.

Glycine: key amino acid of collagen

Collagen, an essential structural protein in our body, is naturally rich in glycine, an amino acid with valuable properties for sleep quality. 

Often overlooked, wisteria acts as a true regulator of the nervous system, providing a subtle yet effective calming effect. It helps to reduce the central body temperature, a key mechanism for initiating sleep more quickly and diving into a deeper sleep.

💚 Why is it important? Easier falling asleep, a less restless night, and optimal recovery are the pillars of sustainable well-being — and glycine plays a central role at every stage.

To learn more about the benefits of collagen, check out our dedicated article.

Influence on falling asleep and nighttime awakenings

Thanks to its action on NMDA receptors in the brain, glycine helps induce a natural state of relaxation without causing daytime drowsiness. It promotes a shorter sleep onset time and limits nighttime micro-awakenings, often responsible for fragmented sleep. 

By incorporating collagen into your evening routine, you provide your body with a favorable environment for continuous and restorative sleep.

Impact on deep sleep phases

Deep sleep phases are essential for the body: this is where cellular regeneration, memory consolidation, and elimination of brain toxins occur. 

"By supporting the natural production of glycine, collagen promotes entry into these deep and restorative cycles, where the body can truly repair itself, recharge... and radiate."

Role in recovery and regeneration

Quality sleep acts as a catalyst for beauty and health: it is during the night that cellular renewal is activated, particularly at the level of the skin, hair, nails, muscles, and joints. 

The glycine present in collagen helps support these processes, reducing visible signs of fatigue and optimizing natural recovery abilities.

And if persistent fatigue was a sign of a collagen deficiency?

Explore our article showcasing the link between collagen deficiency and fatigue, to understand how to restore your reserves and regain energy and radiance.

💤Melatonin Stimulation

Melatonin, often referred to as the sleep hormone, is essential for falling asleep and regulating the sleep-wake cycle. 

The consumption of collagen – particularly through powders or supplements rich in glycine – supports the endogenous production of melatonin, promoting a faster onset of sleep and a more stable sleep throughout the night.

⏰Influence on circadian cycles

The melatonin produced from collagen intake helps to synchronize the internal biological clock, also known as the circadian cycle. When these rhythms are disrupted (screens, stress, time zone changes…), sleep becomes lighter and more fragmented. 

By restoring this natural balance, collagen helps to regain nights aligned with the true needs of the body.

🧘🏻‍♀️Hormonal mechanisms promoting quality sleep

Beyond melatonin, collagen contributes to a better overall balance of the nighttime hormonal system. It can help with:

• Reduce cortisol, the stress hormone, often responsible for insomnia or early awakenings.

• Support the secretion of serotonin, an essential neurotransmitter for well-being and a direct precursor to melatonin.

Result : a more peaceful mind, a relaxed body, ready to regenerate deeply.

"For women in menopause, collagen for menopause can also offer specific benefits."

Absolute Collagen – The ritual that takes care of your nights ✨

Formulated from hydrolyzed marine collagen and elastin, the formats of our Collagen Absolute concentrate the patented complex COLLACTIVE™, with biomimetic proportions identical to those of human skin. But their benefits do not stop at skin beauty.

"Thanks to their natural richness in glycine, a key amino acid in sleep regulation, these formulas also act to support more serene and restorative nights."

💊 Tablet format

A structured routine for:
• Stimulate the natural production of collagen and glycine
• Encourage relaxation at the end of the day
• Strengthen the skin and connective tissues, including during sleep

Dosing : 2 to 4 tablets in the morning – or in the evening for targeted action on sleep – in a 3-month course

🥤 Format shots

Ready-to-drink and highly absorbable, these concentrates offer a fast action on relaxation and nighttime regeneration:
• Perfect for evening rituals to prepare the body for rest
• Bioavailable glycine to facilitate falling asleep and prolong deep sleep phases

Dosing : 1 shot per day, pure or diluted, in a 28-day renewable course

🌿 An intelligent duo to adapt your routine according to your needs, while optimizing sleep quality and nighttime cellular regeneration, when collagen works at its full potential.

Optimal bioavailability for targeted action

Among the various existing forms, marine collagen stands out for its very high bioavailability. 

Obtained from marine sources, it is easily assimilated by the body, making it an ideal choice for quick and lasting effectiveness. 

Its natural richness in glycine makes it a valuable ally for promoting relaxation and improving sleep quality.

More pure, more digestible, more effective

Compared to bovine or porcine collagen, marine collagen is often purer, better tolerated, and has fewer risks of allergic reactions. 

"It is also derived from hydrolyzed collagen peptides, which facilitates its passage into the blood and its rapid integration into biological processes, particularly those related to nighttime relaxation."

🌙 Why take it in the evening?

Taking marine collagen in the evening or just before bed allows you to take advantage of its relaxing effects at the most opportune time. 

Thanks to glycine, it helps to reduce body temperature, an essential signal to trigger deep sleep, and to induce a state of calm conducive to a restorative night. Integrated into a wellness routine, it becomes a true ritual of nighttime regeneration.

Dosage and usage recommendations

It is recommended to consume about 2 grams of collagen per day to achieve optimal results. Hydrolyzed collagen powders can be easily incorporated into drinks or meals for convenient and effective consumption.

Dietary supplements and optimal absorption

For optimal assimilation, it is recommended to consume collagen on an empty stomach. This promotes better absorption by the body. The collagen supplements from D-LAB NUTRICOSMETICS are formulated for maximum absorption and proven effectiveness.

Synergy with other sleep-promoting assets

Collagen can be combined with other sleep-promoting active ingredients, such as melatonin, magnesium, and plant extracts like chamomile and valerian. This synergy helps to optimize the beneficial effects on sleep quality.

The role of sleep in skin collagen production

Quality sleep promotes the production of skin collagen, which is essential for maintaining the elasticity and firmness of the skin. Cellular regeneration is optimized during the night, allowing for better tissue repair.

Improvement of skin elasticity

Regular intake of collagen, combined with quality sleep, can improve skin elasticity, thereby reducing the appearance of wrinkles and fine lines. The anti-aging collagens are particularly effective in achieving these results.

Reduction of wrinkles and smoothing effect

Collagen helps reduce the depth of wrinkles and smooth the skin. Well-rested and regenerated skin from quality sleep appears younger and more radiant.

Summary of the benefits of collagen for sleep

Collagen plays a crucial role in improving sleep quality by promoting falling asleep, reducing nighttime awakenings, and increasing deep sleep phases. 

"It also acts on hormonal regulation, particularly by stimulating the production of melatonin."

Importance of the quality of the chosen products

"It is essential to choose high-quality collagen products, such as those offered by D-LAB NUTRICOSMETICS." 

The brand's products are made in France with ingredients from Green Tech, ensuring naturalness and effectiveness. To find out which collagen to choose for your treatment, check out our recommendations.

Recognized scientific sources

• Asserin J, et al. The effect of oral collagen peptide supplementation on skin hydration and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials. J Cosmet Dermatol. 2015;14(4):291-301.
• Zague V. A new perspective on the effects of collagen hydrolysate intake on skin properties. Arch Dermatol Res. 2008;300(9):479-483.
• Proksch E, et al. The oral intake of specific bioactive collagen peptides reduces skin wrinkles and increases dermal matrix synthesis. Skin Pharmacol Physiol. 2014;27(3):113-119.
• Inoue N, Sugihara F, Wang X. The ingestion of bioactive collagen hydrolysates improves hydration and elasticity of facial skin and reduces signs of facial aging in a randomized double-blind placebo-controlled clinical study. J Sci Food Agric. 2016;96(12):4077-4081.