Sleepswitch™ – Glycine Bedtime Powder for Natural Sleep & Nighttime Temperature Support

For many people, falling asleep is one of the most frustrating parts of the day — especially when their body feels exhausted, but they simply cannot get comfortable enough to drift off.

You climb into bed. You close your eyes. You pull the duvet over yourself.

Within minutes, you're too warm.

You push the duvet away. Flip your pillow to the cooler side. Stick one leg outside the covers. Then you pull everything back because suddenly you're cold again.

You check the clock. It's 11:47 PM. Then 12:23 AM. Then 1:15 AM.

And every night, the same question returns: "Why can't I fall asleep when I'm already so tired?"

Difficulty falling asleep can be influenced by several factors, including stress, circadian rhythm disruption, room temperature, hormonal changes, caffeine consumption, medications and the body's natural temperature regulation.

But one important part of sleep physiology is frequently overlooked.

Your body naturally begins cooling its core temperature as it prepares for sleep.

Beneath the surface, this process involves your brain's internal clock, changes in blood circulation and the release of heat through your skin.

As bedtime approaches, blood vessels near the skin — particularly in the hands and feet — can widen, allowing heat to move from the body's core towards the surface.

This natural redistribution of heat helps support the gradual decline in core body temperature associated with falling asleep.

When your sleeping environment or internal temperature regulation interferes with this process, getting comfortable enough to sleep can become more difficult.

Many people respond by trying melatonin, magnesium, herbal teas, cooling pillows or increasingly elaborate bedtime routines.

Yet they may never consider the relationship between amino acids, thermoregulation and sleep quality.

And that's where Sleepswitch™ introduces a different approach.

Rather than positioning itself as another sedative or sleeping pill, Sleepswitch™ focuses on glycine — a naturally occurring amino acid investigated for its potential role in supporting sleep quality and normal body-temperature regulation.

🔬 Meet Sleepswitch™

Sleepswitch™ is a convenient bedtime powder containing 3 grams of glycine per serving, designed to dissolve in water and become part of a simple evening routine.

Each package contains 30 individual stick sachets — a convenient 30-night supply when used once daily.

Glycine is the simplest amino acid found in the human body. It participates in several biological processes, including protein synthesis, collagen production and nervous-system signalling.

Researchers have also investigated glycine's relationship with sleep quality, daytime fatigue and the body's temperature-regulating mechanisms.

Unlike melatonin, which is a hormone involved in signalling the timing of the sleep-wake cycle, glycine is an amino acid with different biological functions.

Published preliminary studies have examined 3 grams of glycine taken before bedtime, with some reporting improvements in subjective sleep quality and next-day fatigue.

Sleepswitch™ brings this research-inspired serving size into a convenient, easy-to-prepare bedtime drink.

Glycine (3 g) — The Sleep & Temperature Regulation Pathway

Glycine has been investigated for its interactions with receptors involved in nervous-system activity, including NMDA receptors.

Experimental research suggests that glycine may influence thermoregulatory signalling in the suprachiasmatic nucleus (SCN), an area of the brain involved in coordinating circadian rhythms.

In animal studies, this pathway has been associated with peripheral vasodilation and reductions in core body temperature.

Peripheral vasodilation refers to the widening of blood vessels near the skin, allowing the body to redistribute and release heat.

This process is relevant because the body's natural decline in core temperature is closely associated with sleep onset.

However, the precise temperature-lowering effects of oral glycine in humans remain insufficiently established. Animal findings should not be presented as guaranteed results in people.

The 3-Gram Bedtime Serving

The 3-gram serving is particularly relevant because it matches the amount investigated in several small human sleep studies.

Research by Yamadera and colleagues (2007) examined glycine before bedtime and reported improvements in certain measures of sleep quality.

Bannai and colleagues (2012) investigated glycine under experimentally restricted sleep conditions and observed improvements in some measures of fatigue and cognitive performance.

These findings are promising, but the studies involved relatively few participants. Larger independent clinical trials are needed to establish the magnitude and consistency of glycine's sleep-related benefits.

One sachet. Three grams of glycine. One simple bedtime routine.

Sleepswitch™ is a food supplement, not a prescription sleeping medication or a treatment for insomnia.

⭐ Why People May Choose Sleepswitch™

✔ Focuses on the connection between temperature and sleep

The body's normal cooling process is an important part of preparing for sleep.

Sleepswitch™ is built around research investigating glycine's relationship with sleep physiology and thermoregulation, rather than simply focusing on making someone feel drowsy.

✔ Provides 3 grams of glycine per serving

Each sachet delivers the same glycine quantity investigated in published small-scale human sleep studies.

There is no need to measure powder using a scoop or calculate individual servings.

✔ Offers a melatonin-free approach

Glycine is an amino acid rather than a sleep-timing hormone.

For adults interested in bedtime supplements that do not rely on melatonin, Sleepswitch™ offers a different ingredient approach.

This does not mean glycine is proven superior to melatonin or that melatonin cannot influence body temperature.

✔ Designed for a simple bedtime drink ritual

Sleepswitch™ turns supplement use into a convenient evening routine.

Simply dissolve the powder in water and drink it approximately 30–60 minutes before bedtime.

✔ Convenient single-serve sachets

Each stick contains one pre-measured serving.

No bulky tubs, loose powder, measuring spoons or complicated preparation.

✔ 30-night supply

One box contains 30 stick sachets, providing approximately one month's supply when used as directed.

✔ No sleeping pills required

Sleepswitch™ is not a sedative medication.

Glycine has been investigated for its potential effects on sleep quality through biological pathways distinct from conventional hypnotic medicines.

It should not be regarded as a replacement for prescribed treatment.

✔ Suitable for a gender-neutral bedtime routine

Sleepswitch™ is positioned for adult men and women interested in supporting their sleep habits.

Its primary ingredient is not specifically targeted towards one gender.

⚡ What Makes Sleepswitch™ Different?

✔ A temperature-focused sleep concept

Most familiar sleep products are marketed around relaxation, drowsiness or bedtime timing.

Sleepswitch™ highlights another part of sleep physiology: the relationship between natural body cooling and sleep onset.

The product's positioning is based on glycine research, although direct clinical evidence that this supplement reliably cools people who sleep hot remains limited.

✔ An amino acid rather than a sleep hormone

Melatonin plays an important role in circadian timing.

Glycine is a naturally occurring amino acid with several physiological functions, including nervous-system signalling.

The ingredients are different and should not be treated as interchangeable.

✔ Research-inspired 3 g serving

Sleepswitch™ uses the glycine quantity investigated in preliminary clinical studies, rather than an unspecified proprietary blend.

This allows customers to understand exactly how much glycine they are consuming.

✔ Powder instead of multiple capsules

Three grams is a relatively large quantity for a capsule-based supplement.

A single powder sachet offers a practical way to consume the entire serving without swallowing several capsules.

✔ Easy to incorporate into an existing sleep routine

Sleepswitch™ can be incorporated alongside healthy sleep habits such as maintaining a consistent bedtime, reducing evening light exposure and keeping the bedroom comfortably cool.

It is intended to complement those habits, not replace them.

✔ Designed around scientific transparency

The available glycine sleep studies offer preliminary findings, not definitive proof of insomnia treatment.

Sleepswitch™ can be positioned around the ingredient's emerging research while communicating realistic expectations.

👤 Who Is Sleepswitch™ For?

Sleepswitch™ is positioned for adults who:

• Often feel tired at bedtime but struggle to settle into sleep.

• Frequently feel too warm or uncomfortable beneath their duvet.

• Find themselves repeatedly flipping their pillow or adjusting their bedding.

• Are interested in the relationship between body temperature and sleep.

• Have tried common bedtime routines but remain curious about other approaches.

• Prefer a melatonin-free bedtime supplement.

• Want a convenient powder instead of multiple capsules.

• Are interested in glycine and the scientific research surrounding sleep quality.

• Prefer a simple 30–60-minute pre-bedtime routine.

• Value realistic, evidence-aware information rather than miracle sleep promises.

Persistent insomnia, significant night sweats, unexplained overheating or ongoing daytime exhaustion can have medical causes and should be assessed by a healthcare professional.

🔄 Simple Bedtime Routine

Step 1 — Prepare your drink

Approximately 30–60 minutes before bedtime, open one Sleepswitch™ stick sachet.

Empty the powder into a small glass of water.

Step 2 — Stir until dissolved

Mix thoroughly until the powder dissolves.

Glycine naturally has a mildly sweet taste, making it suitable for a simple bedtime drink.

Step 3 — Enjoy your evening routine

Drink your prepared Sleepswitch™ serving as part of your usual bedtime routine.

Dim the lights, put away bright screens and give yourself time to wind down.

Step 4 — Create a comfortable sleep environment

Keep your bedroom at a comfortable temperature and use breathable bedding.

These habits help support the body's normal temperature changes associated with sleep.

Step 5 — Maintain a consistent routine

Use Sleepswitch™ according to the product directions and monitor how you feel over time.

Individual responses vary, and noticeable sleep improvements are not guaranteed.

🌿 Thoughtfully Developed

✔ 3 g glycine per sachet

✔ Research-inspired bedtime serving

✔ 30 individual stick sachets per box

✔ Convenient one-month supply

✔ Powder designed to dissolve in water

✔ Naturally mildly sweet glycine

✔ Melatonin-free ingredient approach

✔ No prescription sleeping medication

✔ Focused on sleep physiology and thermoregulation research

✔ Easy to incorporate into an evening routine

✔ No measuring scoop required

✔ Portable, pre-measured servings

✔ Suitable for adult men and women

✔ Transparent ingredient positioning

✔ No unrealistic insomnia cure promises

✔ Designed for use approximately 30–60 minutes before bedtime

📚 Scientific Research Behind Glycine

Yamadera et al. (2007) — Sleep and Biological Rhythms

A small placebo-controlled study examined glycine supplementation before bedtime and reported improvements in subjective sleep quality and certain sleep-related measurements.

Bannai et al. (2012) — Frontiers in Neurology

A small crossover study investigated glycine under sleep-restricted conditions and reported improvements in some measures of daytime fatigue and psychomotor performance.

Kawai et al. (2015) — Neuropsychopharmacology

Experimental animal research explored glycine's effects on core body temperature and the involvement of NMDA receptor signalling in the suprachiasmatic nucleus.

These studies provide a preliminary scientific rationale for further investigation, but they do not establish that Sleepswitch™ treats insomnia or reliably lowers human core body temperature.

Sleepswitch™ — One Amino Acid. One Bedtime Drink. One Simple Nightly Routine.

Discover a different approach to your evening routine with 3 grams of glycine — inspired by research into sleep quality, nervous-system signalling and the body's natural temperature regulation.

Sleepswitch™ — Glycine Bedtime Powder. Make bedtime a ritual worth looking forward to.