You Can’t Buy Happiness, But You Can Invest in the Sleep That Turns Back the Clock

At Muse and Heroine, we believe that the night is when the body runs its most sophisticated repair programs. To understand the true power of rest, we look to the work of Dr. Eve Van Cauter, a professor at the University of Chicago and a leading researcher in sleep, metabolism, and longevity. 

For over three decades, her research has demonstrated that even a few nights of restricted sleep can disrupt metabolic balance, reduce insulin sensitivity, and impair cellular repair. Sleep is not passive; it is one of the most powerful biological regulators we possess. During deep sleep, the brain activates the glymphatic system, a cleansing network that flushes metabolic waste and neurotoxic proteins from brain tissue. From a biohacking perspective, sleep is perhaps the most underestimated longevity marker in existence.

NAD+: The Cellular Energy of Repair 

A central molecule in modern longevity research is NAD+ (nicotinamide adenine dinucleotide). Essential for mitochondrial energy, DNA repair, and activating sirtuins (longevity proteins), NAD+ levels naturally decline with age. Because repair pathways are most active at night, maintaining NAD+ availability is crucial for restorative health. 

The Skin Solution: Janine Knizia Skincare | Milk Glacé Superliftstar One of the most interesting skincare applications of this biology is Milk Glacé Superliftstar from Janine Knizia Skincare, a NAD-boosting serum designed to energize skin cells and support mitochondrial function. By helping optimize cellular metabolism, the formula supports firmness, luminosity and structural resilience in the skin, essentially addressing one of the biological mechanisms behind visible aging.Because skin also follows a circadian repair rhythm, and nighttime is when regeneration   becomes most active.

• The Evening Ritual: HECH | NAD & Saffron Bioactives Emerald Green Elixir.  It is designed as an evening ritual: a small shot taken before bed to help support both cellular energy and neurological balance. The formula combines NADH, a coenzyme involved in mitochondrial energy production, with saffron bioactives, studied for their effects on mood regulation and stress modulation. Saffron’s active compounds, including crocin and safranal, have been shown to support serotonin pathways and emotional resilience, helping the body move more naturally toward a relaxed state conducive to sleep.
  
  
• The Wearable Frontier: BARRIÈRE | Youth Repair NAD+ Patch. Another fascinating approach to supporting NAD+ pathways is through transdermal delivery systems. The Youth Repair NAD+ Patch delivers NAD-supporting compounds gradually through the skin over several hours, offering continuous support for cellular metabolism. It reflects an emerging frontier in wellness science: wearable nutritional technology, designed to support the body’s repair systems with sustained delivery rather than single-dose supplementation.

The Molecules of Sleep: Melatonin & GABA

Sleep is an orchestration of biochemical signals. Melatonin, the “night signal” produced by the pineal gland, regulates our circadian rhythm and acts as a potent antioxidant for the mitochondria.

• Sustained Delivery: BARRIÈRE | The Big Sleep Melatonin Patch. Melatonin is often called the body’s “night signal.” Produced by the pineal gland as darkness falls, it regulates the circadian rhythm and tells the body when it is time to sleep. Those patches deliver melatonin through a transdermal system that allows the ingredient to be released gradually through the skin over several hours. This steady delivery mimics the body’s natural nocturnal secretion of melatonin and may help support deeper and more stable sleep cycles. They also incorporate supportive botanicals traditionally associated with relaxation, creating a wearable sleep ritual designed to work throughout the night.

Beyond melatonin, the brain relies on GABA, a calming neurotransmitter that slows neural activity, and Magnesium, which signals the nervous system to shift from "fight-or-flight" into a parasympathetic state.

• Bioavailable Support: BÉLA NEKTAR | BeCalm Vitale Ionic Magnesium Complex. An ionic form designed for optimal absorption to reduce nighttime awakenings and regulate the stress response. 

Mind the light before sleeping 

Light is one of the most powerful regulators of our circadian rhythm. In the evening, exposure to artificial blue light from phones, laptops, and indoor lighting can suppress melatonin production and delay the body’s natural sleep signal.

We have the best trick ever: wearing blue-light blocking glasses such as the Xaron by Blooxs about two hours before bedtime helps filter the wavelengths most responsible for this disruption. By reducing blue light exposure, the brain receives a clearer signal that night has begun, allowing melatonin secretion to rise naturally and preparing the body for sleep. This simple intervention has become one of the most widely used strategies in biohacking circles to support healthier circadian rhythms.

The power of thermoregulation: the ultimate bath ritual

To end your sleep routine perfectly, our final advice is simple: Take a bath. Warm bathing before bedtime is one of the most effective ways to support the body’s natural sleep physiology. Immersion in warm water temporarily raises core body temperature; as the body cools afterward, this drop signals the brain that it is time to transition into sleep. This thermoregulatory shift helps promote faster sleep onset and deeper rest. 

Enhancing this ritual with the Violet Sea Salt Bath by Shiva Rose adds another layer of relaxation. The bath is infused with the delicate scent of the cosmic violet blue blossom, traditionally known for its calming properties and its ability to encourage deeper rest while gently supporting lymphatic drainage. Violets are also naturally rich in vitamins A and C, contributing antioxidant benefits to the skin.

Symbolically, the violet carries a long cultural history: since ancient Greek times, it has represented power and wisdom, while among the Iroquois tribes, it was associated with eternal love. It is a poetic ingredient that turns the simple act of bathing into a true evening ritual of restoration, aligning your biology with ancient wisdom. 

Our Curated Muse & Heroine Sleep Allies

• COSMIC DEALER | Ayurvedic Sleep Infusion: Sometimes sleep begins with something simple: warmth. This comforting herbal tea blends toasted buckwheat from Brittany with Ayurvedic spices such as cinnamon, star anise and fennel. These botanicals support digestion and help the nervous system shift toward parasympathetic relaxation. The result is grounding, gently digestive and deeply soothing.
  
  
• WILDER BOTANICS | Restful Sleep Flower Essence: Inspired by Dr Bach’s flower essence method, this formula works on an emotional and energetic level. These vibrational botanicals help quiet repetitive thoughts, soften anxiety and calm the nervous system when the mind refuses to settle.
  
  
• DEPURATIVA | Sleep Tincture: A gentle alcohol-free botanical tincture designed to ease the transition from day to night. Valerian root helps calm neuronal activity. Chamomile soothes the nervous system and digestion. Lemon balm supports emotional balance. Passionflower may increase GABA activity in the brain, supporting deeper sleep cycles.

• ANCIENT + BRAVE | True Nightcap: This evening drink focuses on the neurochemistry of sleep. Magnesium relaxes muscles and nerves. Zinc supports cognitive function. Choline and myo-inositol regulate neurotransmitter pathways linked to circadian rhythm. L-glycine has been associated with improved sleep quality. Together, they help prepare the body for restorative rest.
  
  
• ROSS J BARR | Sleep Patch: Sleep support can also happen through the skin. This transdermal patch incorporates botanicals traditionally used in Chinese medicine, including wild jujube seed, polygala and coix seed, herbs historically known to calm the mind and encourage sleep. Combined with aromatic essential oils, the ingredients work gradually throughout the night.
  
  
• MATCHASOME | Matchasome+ Relax: One particularly elegant approach to supporting this neurochemical balance is Matchasome Relax, a functional matcha formulation designed to calm the nervous system without sedation. The formula combines ceremonial-grade matcha with calming compounds that support GABA signaling and stress regulation, helping the brain transition from a state of alertness into one of relaxed focus. The result is a rare combination: mental clarity paired with nervous system ease, precisely the kind of physiological balance that allows the body to move more naturally into deep restorative sleep.
  
  
• BARRIÈRE | Kids Sleep Patch Sleepy Galaxy: Sleep is contagious in the best possible way: when children sleep well, parents usually do too. Those patches are designed to gently support children’s sleep routines using the same transdermal delivery concept adapted for younger nervous systems. The patch gradually releases calming ingredients throughout the night, helping children settle more easily into sleep.