Cool Slumber

~ Inspired by Emperor of Heaven’s Elixir | Tian Wang Bu Xin Dan
  • Pour
  • Stir
  • Enjoy
Cool Slumber

Cool Slumber

~ Inspired by Emperor of Heaven’s Elixir | Tian Wang Bu Xin Dan
Sixteen Herbs in this Formula Herbs Formula
  • Suan Zao Ren – Ziziphus spinosa
  • Bai Zi Ren – Biota orientalis
  • Dang Gui – Angelica sinensis
  • Tian Men Dong – Asparagus cochinchinensis
  • Mai Men Dong – Ophiopogon japonicas
  • Sheng Di Huang – Rehmannia glutinosa
  • Ren Shen –Panax ginseng
  • Dan Shen – Salvia miltiorrhiza
  • Xuan Shen – Scrophularia ningpoensis
  • Fu Ling - Poria cocos
  • Wu Wei Zi - Schisandra chenensis
  • Jie Geng – Platycodon grandiflorum
  • Yuan Zhi - Polygala tenuifolia
  • Bai Bu – Stemonia sessilifolia
  • Shi Chang Pu - Acorus gramineus
  • Du Zhong - Eucommia ulmoides

Cool Slumber is for the physically restless and overheated sleeper, who tosses and turns through the night, leaving them agitated and unsettled the next morning. Inspired by the classic Chinese herbal medicine formula Emperor of Heaven Elixir (Tian Wang Bu Xin Dan), this natural, non-habit forming sleep formula is designed to calm and cool the body during the night, delivering peaceful rest and more energy the next day. Used for hundreds of years, we’ve modernized it for a night of quality sleep you’ve never dreamed of.

Cool Slumber is great for:

  • Those who sleep hot in the night
  • The physically restless sleeper who tosses and turns
  • Those who experience evening agitation before bed
  • Women in the menopause phase of their lives
  • Establishing a quality, un-interrupted sleep pattern

single pouch

$45.00 USD

30 servings / pouch

two pouch (60 nights of sleep)

$85.50 USD

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Regular price
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$40.50 USD
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Quality Assured
Quality Assured
Enticing Flavors
Enticing Flavors
Sustainable
Sustainable
Easy & Convenient
Easy & Convenient
Rigorous Testing Processes
Rigorous Testing Processes
Manufactured & Tested in the U.S.
Manufactured & Tested in the U.S.
  • Description
  • DAO Labs

    Cool Slumber by DAO Labs, part of our Sleep Remedy Series, combines 16 powerful herbs with a refreshing blackberry and close flavor combination that helps one maintain cool, quality sleep throughout the night (not just fall to sleep). Cool Slumber helps those who “sleep hot”, providing a natural solution for cooler, more peaceful sleep.

    The formula is inspired by the powerful Chinese herbal combination Emperor of Heaven Elixir (Tian Wang Bu Xin Dan), used for a variety of needs and benefits beyond just helping deliver uninterrupted rest. Unlike other sleep solutions, Cool Slumber helps you stay asleep - not just fall asleep.

    If you find your sleep disrupted throughout the night due to physical agitation, feeling twitchy and restless, and generally a bit too hot under the covers, then this is the formula for you. By embracing the herbs in this formula, the restless, hot sleeper will experience calmer, cooler sleep with refreshed energy and better mental clarity in the day ahead - much like it has helped people for hundreds of years.

    It’s not melatonin, rather Cool Slumber is a non-habit forming herbal powder that mixes easily with water and can be taken both before bed to transition naturally and calmly to sleep, and during the day as well (if necessary) helping reinforce a better sleep pattern in the nights that follow.

    Cool Slumber comes in a bulk container with approximately 30 servings for a month of blissful sleep.

  • When + How
  • This formula is excellent when

    When Cool Slumber Works Best

    Cool Slumber is taken approximately 1-2 times daily to help establish a stronger sleep pattern and naturally cool the body. Some will experience the benefits by taking a single serving approximately an hour before bed, while others will need to augment with a serving during the day. In addition, the benefits of Cool Slumber extend far beyond better sleep, providing gentle, cooler relaxation and stronger mental clarity during the day as well.

    The formula is especially suited for:

    • Those who sleep hot throughout the night
    • When melatonin just isn’t cutting it
    • People who find themselves physically agitated throughout the day and into the night
    • Beneficial for women in the menopause phase of their lives.

    How to take Cool Slumber

    • 1. Pour
    • 2. Stir
    • 3. Enjoy

    Cool Slumber is typically taken approximately one hour before bed to help the mind and body transition naturally to sleep. For those in need of advanced sleep assistance, an added dose can be taken during the day as well (in most cases, it will not make you fall asleep). Simply add a scoop of the powdered herbs to water, stir and enjoy a blissful night of rest.

  • Formula + Herbs
  • Formula

    The Formula

    Cool Slumber is inspired by the 12 herbs found in Emperor of Heaven Elixir (Tian Wang Bu Xin Dan), a powerful, non-habit forming combination of herbs that have been used to help cool the body and calm the mind for hundreds of years.

    The Herbs

    Purity, authenticity and sustainability are the pillars of DAO Labs, which translates into how we develop our formulas. Cool Slumber is inspired by the classic Chinese herbal combination Emperor of Heaven Elixir. Used for hundreds of years, we’ve improved upon this classic formula by incorporating flavor and convenience, while never compromising the heritage and power of this amazing practice.

    All herbs are sourced in Asia but third-party tested in the U.S. for both safety and authenticity, setting a new standard for in Chinese herbal medicine.

    Learn more about the sixteen herbs in Cool Slumber below.

  • Supplements Facts
  • Cool Slumber Supplement Facts
    • Pour
    • Stir
    • Enjoy
    Cool Slumber Supplement Facts

Dr. Karchmer on Tian Wang Bu Xin Dan & Cool Slumber

Dr. Karchmer on Tian Wang Bu Xin Dan & Cool Slumber

Dr. Karchmer on Tian Wang Bu Xin Dan & Cool Slumber

“Cool Slumber is an herbal formula that I use regularly for those who are agitated, seem to toss and turn in the night, and find themselves sleeping hot. But like many herbal formulas in Chinese medicine, the versatility of this formula is so much greater - it’s an excellent formula for an older population, especially women in the menopause phase of their lives.”

Read More About Cool Slumber From DR. KARCHMER

>
MyDaoLabs No need to count sheep!

“My sleep has improved dramatically. I used to wake around 3:00 each morning and I was awake for at least 2 hours before I could fall asleep again. No more counting sheep. I drink Cool Slumber every night and I sleep through the night. I love that the mixture is very drinkable.”

Verified Cool Slumber Enthusiast

practitioner-review
  • Customer Reviews
  • Product
    Q & A
Customer Reviews
4.9 Based on 126 Reviews
5 ★
91% 
115
4 ★
4% 
5
3 ★
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2 ★
0% 
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Write a Review

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Filter Reviews:
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  • Chinese
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  • menopause
A
02/19/2025
Anonymous
United States

Really Cool Cool Slumber

This stuff is works. Sleeping like a baby and I feel great in the morning.

A
02/10/2025
Anonymous
United States

Amazing product

I’ve been using Cool Slumber for a while now and it really helps to fall and stay asleep. I toss and and turn a lot and this calms me down.

A
02/03/2025
Anonymous
United States

Incredible Stuf

This formula works wonders for my sleep. I started taking a few weeks ago and I am sleeping like a baby.

LL
01/09/2025
Louise L.
United States

Love it

I love this formula! I don’t usually have a sleeping issue, however, this just gives me a better night sleep thank you!

A
12/03/2024
Anonymous
United States

Incredible

This stuff works!

A
10/20/2024
Anonymous
United States

Really cool product

I just started taking this and have found it to work very well and quickly. I’m quite relaxed under the sheets and I definitely am a lot cooler and for sure I’m sleeping better.

A
09/16/2024
Anonymous
United States

Review of physical tranquility

So far, your product has helped me getting to sleep. I just hope it will eventually help me to get back to sleep after a bathroom interruption. I will continue to take it.

A
07/13/2024
Anonymous
United States

Great help!

It provides peaceful sleep all night long!

A
07/11/2024
Anonymous
United States

Tranquility

I have tried tranquility to side in my sleep. I have trouble staying asleep. I really didn’t notice a difference using this so far. I am willing to finish my container because I know nothing happens overnight. The taste is horrible to me, very herbal. It also has an effervescent taste, which does give me bloating.

A
05/05/2024
Anonymous
United States

Full night sleep!

First time in years I’m experiencing full night sleep!

Ask a Question
CB
Does Cool Slumber help me fall asleep or stay asleep?
Answers (1)
It depends: for some, it will help you drift peacefully to sleep. For others, it won’t necessarily promote immediate sleep, but it help support a healthy night of uninterrupted, peaceful rest. We have guests who say that they can’t fall asleep now without Cool Slumber as it provides a natural, cool, calming effect as they prepare to fall asleep, while others talk about experiencing a more peaceful night rest, helping them sleep naturally through the night.

Both formulas in the DAO Sleep Series were developed to provide quality rest - not just help you fall to sleep.
JB
Is this habit forming?
Answers (1)
No. Like with many Chinese herbal medicine-inspired formulas, it’s best to use for blocks of time when you need it most, but then take a break to see how your mind and body respond. Cool Slumber helps promote healthy sleep habits, hopefully helping train your mind and body to sleep naturally on your own.
JB
If I take it during the day, will it make me fall to sleep?
Answers (1)
Not necessarily. This herbal combination works great for keeping you cool, calm and collected during the day. Some guests talk about experiencing better mental clarity as a result from enjoying Cool Slumber during the day. All of this will help contribute to better rest that night.
DG
How much do I need to take, and when do I take it?
Answers (1)
We recommend adding a scoop of Cool Slumber to a glass of cold or room temperature water approximately one hour before going to bed. You might have to adjust the time you take Cool Slumber depending on how the formula interacts with your sleep pattern.

A second dose could be added in the morning to keep cool and calm during the day and to support a healthy night sleep the night ahead.
SH
Where do the herbs come from?
Answers (1)
All of our herbs are sourced in Asia but tested and packaged in the United States. We take sourcing, safety and sustainability very seriously, and independently verify the authenticity of all herbs at a lab in the U.S.

Learn More About Cool Slumber
from our blog, the way

My Dao Labs