Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 4
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 4
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 4
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 4
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 5
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 5
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 5
Intelligent light therapy device
Point. 1
Circadian rhythm synchronization technology
Pt. 2
AI-based sleep analysis
Point. 3
Closed-loop sleep intervention system
Point 4
Personalized Sleep Solutions
Point 5
Intelligent light therapy device
For a world where everyone sleeps well
We create evidence-based sleep solutions
For a world where everyone sleeps well
We create evidence-based
sleep solutions
Don't dismiss sleepless nights
as "just fine"
Professor Shin Won-chul, a sleep specialist with 25 years of experience,
provides practical, effective sleep solutions
tested and proven through treating thousands of patients.
REM sleep behavior disorder (RBD)
Sleep apnea
Insomnia
Delayed sleep-wake phase disorder (DSWPD)
Hormone-related sleep disruption
Narcolepsy
Snoring
Restless Legs Syndrome
Nocturia
Insomnia in older adults
Don't dismiss sleepless nights
as "just fine"
Professor Shin Won-chul, a sleep specialist with 25 years of experience,
provides practical, effective sleep solutions
tested and proven through treating thousands of patients.
REM sleep behavior disorder (RBD)
Sleep apnea
Insomnia
Delayed sleep-wake phase disorder (DSWPD)
Hormone-related sleep disruption
Narcolepsy
Snoring
Restless Legs Syndrome
Nocturia
Insomnia in older adults
Shin Won-chul
Professor of Neurology at Kyung Hee University Hospital at Gangdong
•
Director of the Sleep Center at Kyung Hee University Hospital at Gangdong
•
Vice Director of the Institute of Medical Science and Civilization, Kyung Hee University Medical Center
•
President of the Korean Sleep Research Society
•
Director of Pharmacotherapy, Korean Epilepsy Society
•
Executive Director of the Korean Epilepsy Association
Shin Won-chul
Professor of Neurology at Kyung Hee University Hospital at Gangdong
•
Director of the Sleep Center at Kyung Hee University Hospital at Gangdong
•
Vice Director of the Institute of Medical Science and Civilization, Kyung Hee University Medical Center
•
President of the Korean Sleep Research Society
•
Director of Pharmacotherapy, Korean Epilepsy Society
•
Executive Director of the Korean Epilepsy Association
Without relying solely on medication,
By just changing
Daily Routines
The fact that anyone can achieve restorative sleep
Many people are already experiencing this!
Highly recommended for these people
I want to build
healthy sleep habits
Those who know the importance of
sleep all too well, but find it isn't as easy to sleep soundly as they'd wish
I want to improve my insomnia
without taking sleeping pills
Those who have insomnia or are
considering taking sleeping pills
As I get older,
my sleep time decreases
Those who wonder why sleep gets
shorter and shorter as they age
Without relying solely on medication,
By just changing
Daily Routines
The fact that anyone can achieve restorative sleep
Many people are already experiencing this!
Highly recommended for these people
I want to build healthy sleep habits.
Those who know too well the importance of sleep,
but find it not as easy to sleep soundly as they wish
I want to improve my insomnia without taking sleeping pills
Those who have insomnia or are considering taking sleeping pills
As I become a senior, my sleep time is decreasing
Curious why sleep gets shorter as we age?
Kkuljam Doctor
Kkuljam Doctor
The sleep schedule that best fits your circadian rhythm
The sleep schedule that best fits your circadian rhythm
The app lets you know,
helping you fall asleep and wake up at your desired time
The app lets you know,
and helps you fall asleep and wake up
at your desired time
Based on the lifelog data of smart devices and sleep diaries, Kkuljam Doctor
Kkuljam Doctor is based on smart device
lifelog data and sleep diaries
Sleep pressure
Sleep pressure
and
and
Circadian rhythm
Circadian rhythm
by measuring in real-time,
by measuring in real-time,
It is an intelligent sleep platform that recommends scientific and personalized sleep routines.
Intelligent Sleep Platform
Evidence-based and personalized
1
Sleep Pressure Measurement Algorithm
Based on smartphone data, it analyzes sleep duration from the previous night, sleep debt,
activity level, naps, caffeine intake, and more.
Recommendation of optimal bedtime timing
through real-time sleep pressure score calculation
Showing your daily fatigue in numbers
Provides a sleep drive chart
1
Sleep Pressure Measurement Algorithm
Based on smartphone data, it analyzes the previous day's sleep duration, sleep debt,
activity level, naps, caffeine intake, etc.
Recommending the optimal bedtime
through real-time sleep pressure score calculation
Showing the fatigue of the day in numbers,
provides a sleep pressure chart
2
Sleep Improvement Bedtime Routine
Meditation, stretching, white noise, etc.
20 morning and evening routines automatically applied
Adjusting circadian rhythm and sleep pressure
to match my desired bedtime
2
Sleep Improvement Bedtime Routine
Meditation, stretching, white noise, etc.
20 morning and evening routines automatically applied
Adjust your biological rhythm and sleep pressure
to match your desired bedtime
The path walked by SLEEPFOREST
The path walked by SLEEPFOREST
March 2022
March 2022
Launch of Sleep Expert YouTube Channel: SLEEP Dr. Shin Won-chul's Good Sleep Tube
Launch of Sleep Expert YouTube Channel: SLEEP Dr. Shin Won-chul's Good Sleep Tube
August 2022
August 2022
Establishment of Sleepforest Co., Ltd.
Establishment of Sleepforest Co., Ltd.
Oct 2022
Oct 2022
Selected as a resident company of Kyung Hee University Campus Town, winning the Grand Prize
Selected as a resident company of Kyung Hee University Campus Town, winning the Grand Prize
November 2022
November 2022
Won the Excellence Award at the Hongneung Innopolis Grand-K Startup Competition
Won the Excellence Award at the Hongneung Innopolis Grand-K Startup Competition
March 2023
March 2023
Commencement of development for sleep coaching platform "Kkuljam Doctor"
Commencement of development for sleep coaching platform "Kkuljam Doctor"
July (~December) '23
July (~December) '23
Selected for the Hongneung InnoTown H-Bridge Project
Selected for the Hongneung InnoTown H-Bridge Project
September 2023 (~January 2023)
September 2023 (~January 2023)
Selected for the Hongneung Innopolis H-(Reverse) Train Project
Selected for the Hongneung Innopolis H-(Reverse) Train Project
Sep '23 (~Aug '24)
Sep '23 (~Aug '24)
Seoul Business Agency Campus Town Technology Matching Support Program Selection
Seoul Business Agency Campus Town Technology Matching Support Program Selection
August '24 (~December)
August '24 (~December)
Selected for the Gangwon Techno Park Data Startup & Venture Business Foster Project
Selected for the Gangwon Techno Park Data Startup & Venture Business Foster Project
Oct 2024
Oct 2024
Korea Technology and Information Promotion Agency for SMEs TIPS Project Selection
Korea Technology and Information Promotion Agency for SMEs TIPS Project Selection
Oct 2024
Oct 2024
Acquired Venture Business Certification
Acquired Venture Business Certification
Dec 24
Dec 24
Recognition of Corporate Research and Development Institute (Korea Industrial Technology Association)
Recognition of Corporate Research and Development Institute (Korea Industrial Technology Association)
Dec 2024 (~Feb 2025)
Dec 2024 (~Feb 2025)
Selected for the Precision Medicine Enterprise Support Project
Selected for the Precision Medicine Enterprise Support Project
Jan '25
Jan '25
Launch of sleep-specialized commerce platform Kkuljammall
Launch of sleep-specialized commerce platform Kkuljammall
April 2025
April 2025
Selected for the Early-stage Startup Package by the Ministry of SMEs and Startups
Selected for the Early-stage Startup Package by the Ministry of SMEs and Startups
April 2025
April 2025
Selected for the Local Intellectual Property Center IP Narae Program
Selected for the Local Intellectual Property Center IP Narae Program
April 2025
April 2025
Selected for the 16th KIBO Venture Camp by the Korea Technology Finance Corporation
Selected for the 16th KIBO Venture Camp by the Korea Technology Finance Corporation
April 2025
April 2025
Selected for the Korea Securities Depository K-Camp Gangwon 5th Accelerating Program
Selected for the Korea Securities Depository K-Camp Gangwon 5th Accelerating Program
May '25
Received the Outstanding Enterprise Award at the Follow-up Private IR of the HC-VIP (Hongneung-Chuncheon Innopolis Venture Support Platform)
May '25
Received the Outstanding Enterprise Award at the Follow-up Private IR of the HC-VIP (Hongneung-Chuncheon Innopolis Venture Support Platform)
Future Roadmap
Future Roadmap
Targeting 2025
Targeting 2025
For mild Insomnia
Sleep Keeper launched for shift workers
"Kkuljam Doctor"
App Launch
"Kkuljam Doctor"
App Launch
Targeting 2026
Targeting 2026
For shift workers
Sleep Keeper launched for shift workers
"Sleep Keeper" Launch
"Sleep Keeper" Launch
Targeting 2027
Targeting 2027
Chronic Diseases
& the Elderly
Chronic Illness & Global Expansion of DTx for older adults
DTx Global Expansion
DTx Global Expansion
Targeting 2028
Targeting 2028
Global Users
Global Users
Global market expansion
Global market expansion
Technology
Technology
(Patent or Verification)
(Patent or Verification)
Behavioral Context-Based Lifestyle Behavior Monitoring Device and Method for Adaptive Intervention (Patent No. 2530246)
Behavioral Context-Based Lifestyle Behavior Monitoring Device and Method for Adaptive Intervention (Patent No. 2530246)
User Device-Based Sleep Pressure and Circadian Rhythm Estimation System (10-2025-0119046, Patent Application)
User Device-Based Sleep Pressure and Circadian Rhythm
Estimation System (10-2025-0119046, Patent Applicationed)
An intelligent sleep management system that provides sleep classification and customized sleep improvement solutions based on user sleep behavior data (10-2025-0110518, patent pending)
Intelligent Sleep Management System that provides sleep classification
based on user sleep behavior data and customized sleep improvement solutions
(10-2025-0110518, Patent Pending)
Circadian Rhythm-Based light therapy Control Algorithm and Device (expected to be filed in December 2025)
Circadian Rhythm-Based light therapy Control
Algorithm and Device (December 2025, Patent Application Pending)
Fundraising Status
Fundraising Status
July 2024
July 2024
Kangwon National University Technology Holding, Douzone Bizon, Gangwon State Startup Fund (Seed Investment)
Kangwon National University Technology Holding, Douzone Bizon, Gangwon State Startup Fund (Seed Investment)
March 2025
March 2025
Korea Technology Finance Corporation, technology startup certification and funding support
Korea Technology Finance Corporation, technology startup certification and funding support
Investment and Collaboration Inquiries
Investment and Collaboration Inquiries
For investment-related inquiries,
sleepforest@sleepforest.net
Please send it by email.
Team Members
Team Members
Ban Siwoo
Strategic Planning Team
Team Leader
Cha Eungyo
Strategic Planning Team
Part Leader
Lee Donghyun
Strategic Planning Team
Pro
Choi Bowon
Content/Commerce Team
Team Leader
Kim Jaemyung
Content / Commerce Team
Part Leader
Jang Junwon
Product Team
Team Leader
Lee Yuna
Product Team
Lead Developer
Park Hojeong
Product Team
Lead Designer
Kim Jimin
Product Team
Pro
Sleepforest Co., Ltd.
Business Registration Number: 2598602832 | Representative: Won-cheol Shin
Headquarters Phone: 010-2732-0990
Mail-order Business Report Number: 2024-Seoul Dongdaemun-0897 (Verify Business Information)
Business Address: 4th Floor, Welfare and Welfare Building, 130 Beodeul 1-gil, Namsan-myeon, Chuncheon-si, Gangwon-do
Business Registration Number: 2598602832 | Representative: Shin Won-chul
Representative Phone: 010-2732-0990
Mail-order Business Report Number: 2024-SeoulDongdaemun-0897 (Check Business Information)
Business Address: 4th Floor, Welfare and Welfare Building, 130 Beodeol 1-gil, Namsan-myeon, Chuncheon-si, Gangwon-do
Consult via KakaoTalk Plus Friend