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20% Off Your First Order for Sleep Awareness Week.

Use code: SW20 at checkout

20% Off Your First Order for

Sleep Awareness Week

Rythm at-home blood collection device standing upright in soft white bedding under a night sky with a crescent moon, representing sleep and overnight recovery.

Limited Time Sale – Get 20% Off

5 Reasons To Try Blood Testing For Better Sleep

5 Reasons To Try Blood Testing For Better Sleep

Rythm at-home blood collection device standing upright in soft white bedding under a night sky with a crescent moon, representing sleep and overnight recovery.
Rythm at-home blood collection device standing upright in soft white bedding under a night sky with a crescent moon, representing sleep and overnight recovery.
Rythm at-home blood collection device standing upright in soft white bedding under a night sky with a crescent moon, representing sleep and overnight recovery.

Rythm uses affordable, painless at-home blood testing to uncover the health factors affecting your sleep.

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4.8/5

Verified Reviews

CLIA Certified

FDA Cleared

HIPAA Compliant

CAP Accredited

RESTORED ENERGY

01

Wake up rested and naturally energized

Wake up rested and naturally energized

Even after a full night of sleep, low iron, thyroid dysfunction, or hormone imbalances can prevent your body from fully restoring energy, leaving you tired the next morning. Rythm helps you identify these imbalances so you can improve how your body recovers during sleep.

Woman sitting in a wooden chair indoors looking at the Rythm at-home blood collection device attached to her upper arm.
Woman sitting in a wooden chair indoors looking at the Rythm at-home blood collection device attached to her upper arm.
Woman sitting in a wooden chair indoors looking at the Rythm at-home blood collection device attached to her upper arm.

SLEEP REGULATION

02

Fall asleep faster and more easily

Fall asleep faster and more easily

Falling asleep is not just about routines. Hormones, nutrient levels, and stress-related biomarkers can influence how easily your body shifts into sleep, leaving your mind wired when it should be winding down. Rythm helps you identify these biological signals so you can understand what may be interfering with your ability to fall asleep.

Woman with blonde hair sitting indoors wearing a brown top, using the Rythm at-home blood collection device attached to her upper arm.
Woman with blonde hair sitting indoors wearing a brown top, using the Rythm at-home blood collection device attached to her upper arm.
Woman with blonde hair sitting indoors wearing a brown top, using the Rythm at-home blood collection device attached to her upper arm.

DEEPER RECOVERY

03

Recover better overnight

Recover better overnight

True recovery happens when your body restores hormones, repairs tissues, and resets metabolic systems during sleep, but imbalances can prevent your body from fully recovering overnight. Rythm helps you track the biomarkers involved in recovery so you can see whether your body is actually restoring itself while you sleep.

Shirtless athletic man standing by a sauna door with the Rythm at-home blood collection device attached to his upper arm, representing recovery and hormone health.
Shirtless athletic man standing by a sauna door with the Rythm at-home blood collection device attached to his upper arm, representing recovery and hormone health.
Shirtless athletic man standing by a sauna door with the Rythm at-home blood collection device attached to his upper arm, representing recovery and hormone health.

CLEAR FOCUS

04

Improve energy throughout the day

Improve energy throughout the day

When sleep and biology are aligned, energy becomes more stable throughout the day, but imbalances in hormones, iron levels, or metabolic health can lead to crashes, fatigue, and difficulty staying focused. Rythm helps you identify these underlying factors so you can improve how your body produces and maintains energy.

Man doing a push-up in a gym with the Rythm at-home blood collection device attached to his upper arm, representing improved energy throughout the day
Man doing a push-up in a gym with the Rythm at-home blood collection device attached to his upper arm, representing improved energy throughout the day
Man doing a push-up in a gym with the Rythm at-home blood collection device attached to his upper arm, representing improved energy throughout the day

LONG-TERM HEALTH

05

Know how your sleep is improving your health

Know how your sleep is improving your health

Sleep affects far more than how you feel the next morning, influencing hormones, metabolism, and long-term cardiovascular health. Rythm helps you track key biomarkers over time so you can see whether improvements in your sleep are translating into measurable improvements in your health.

Rythm at-home blood collection device centered against a dark background with soft blue light, highlighting the device used for monthly biomarker testing.
Rythm at-home blood collection device centered against a dark background with soft blue light, highlighting the device used for monthly biomarker testing.
Rythm at-home blood collection device centered against a dark background with soft blue light, highlighting the device used for monthly biomarker testing.

How it works

Monthly tracking of the markers that matter. One comprehensive panel optimized for daily impact.

Woman applying the Rythm at-home blood collection device to her upper arm while seated indoors.

Step 1

Collect from home in minutes

A painless collection with easy to follow written & video instructions.

Two hands exchanging a sealed blood sample return package for mailing to the lab.

Step 2

Mail your sample to our lab

Priority overnight shipping and a free pick-up service included.

Woman viewing her health insights and biomarker results on the Rythm mobile app.

Step 3

Get results in 48-72 hours

Your insights become more personal and more useful with every test you take.

Understand your body. Track your health. Learn yourself.

20% Off for Sleep Awareness Week

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LIMITED TIME ONLY

LIMITED TIME ONLY

Get Started for 20% Off Today

Get Started for
20% Off today

HSA/FSA Eligible

SUBSCRIPTION

Rythm Lab Test

$63.20

$79

Ships every 30 days • Skip anytime

MEMBERSHIP BENEFITS

Sample pick up

Free

Overnight sample return

Free

Priority result turnaround

Free

Personalized AI insights

Unlimited

Members–only perks

Included

Total per month

$63.20

$79

Total per month

+shipping and handling

Person opening a Rythm at-home blood testing package with collection materials on a table.

Get Started

Money-back guarantee • Cancel anytime

Person opening an at-home blood test kit package on a table.
Person opening an at-home blood test kit package on a table.

SUBSCRIPTION

Rythm Lab Test

$63.20

$79

Ships every 30 days • Skip anytime

MEMBERSHIP BENEFITS

– Sample pick up from your home

Free

– Overnight sample return

Free

– Priority result turnaround

Free

– Personalized AI insights

Unlimited

– Members–only perks

Included

Total per month

$63.20

$79

Total per month

+shipping and handling

Trusted by Top Performers

Diplo applying the Rythm at-home blood collection device to his upper arm while sitting outdoors smiling.

"Rythm has revolutionized how people take care of their bodies. At the end of the day, your blood tells you everything."

Diplo

DJ & Entrepreneur

Sara Blakely, a woman with long wavy blonde hair wearing a light pink sweater, looks directly at the camera against a soft neutral background, accompanied by her testimonial quote

"As a busy mom, the last thing I want to do is go make a lab appointment. Rythm's great because I can do everything from home."

Sara Blakely

Founder of Spanx

Odell Beckham Jr. wearing a Rythm cap and sunglasses outdoors with the Rythm at-home blood collection device attached to his upper arm.

"This is the world's easiest blood test, Rythm tracks everything you actually need.. every single month."

Odell Beckham Jr.

NFL Wide Receiver, Super Bowl Champion

What we test every month

One comprehensive panel optimized

for whole-body health.

Rythm at home blood collection device
  • Close-up portrait of a man.

    Hormone Balance

    Biomarkers Tested

    Testosterone

    Estradiol

    Progesterone

    + More

  • Abstract blue gradient background.

    Metabolic Fitness

    Biomarkers Tested

    Ferritin

    Albumin

    Vitamin D

    + More

  • Close-up portrait of a woman.

    Heart Health

    Biomarkers Tested

    ApoB

    LDL-C

    HDL-C

    hs-CRP

    + More

  • Abstract blue gradient background.

    Liver & Kidney Function

    Biomarkers Tested

    Creatinine

    SHBG

    + More

View All Biomarkers

Get Started

Hear it from our customers

  • “Did not expect to learn this much about my body.”

    I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.

    Emily Talbot

    Rythm Review

  • “I finally started sleeping through the night.”

    “I used to wake up in the middle of the night all the time and assumed it was stress. My Rythm test showed my ferritin was lower than it should be. Once I started working on my iron levels, I started sleeping so much better”

    Alex

    Rythm Review

  • “I wake up with real energy now.”

    “I originally signed up because my energy during the day felt low. My Rythm results showed my vitamin D was pretty low. After improving that, my daytime energy picked up and I started falling asleep more easily at night.”

    Natalie

    Rythm Review

  • “I feel like myself again.”

    I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.

    Rachel

    Rythm Review

  • “My sleep finally feels consistent.”

    “For a while my sleep felt really unpredictable. Some nights were fine, other nights I felt wired. Seeing my thyroid markers in my Rythm results helped explain what might be influencing it, and tracking them over time helped me start dialing things in.”

    Danny

    Rythm Review

  • “My testosterone started improving once my sleep did.”

    “I started following the sleep and recovery insights Rythm suggested after my first test. My sleep improved a lot, and on my follow-up test I could see my testosterone had gone up too. I felt better day to day, and it was motivating to actually see it reflected in my results.”

    Mark

    Rythm Review

  • “Did not expect to learn this much about my body.”

    I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.

    Emily Talbot

    Rythm Review

  • “I finally started sleeping through the night.”

    “I used to wake up in the middle of the night all the time and assumed it was stress. My Rythm test showed my ferritin was lower than it should be. Once I started working on my iron levels, I started sleeping so much better”

    Alex

    Rythm Review

  • “I wake up with real energy now.”

    “I originally signed up because my energy during the day felt low. My Rythm results showed my vitamin D was pretty low. After improving that, my daytime energy picked up and I started falling asleep more easily at night.”

    Natalie

    Rythm Review

  • “I feel like myself again.”

    I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.

    Rachel

    Rythm Review

  • “My sleep finally feels consistent.”

    “For a while my sleep felt really unpredictable. Some nights were fine, other nights I felt wired. Seeing my thyroid markers in my Rythm results helped explain what might be influencing it, and tracking them over time helped me start dialing things in.”

    Danny

    Rythm Review

  • “My testosterone started improving once my sleep did.”

    “I started following the sleep and recovery insights Rythm suggested after my first test. My sleep improved a lot, and on my follow-up test I could see my testosterone had gone up too. I felt better day to day, and it was motivating to actually see it reflected in my results.”

    Mark

    Rythm Review

  • “Did not expect to learn this much about my body.”

    I originally tried Rythm out of curiosity but my results actually explained a lot. My iron and hormones were off and I never would have known. After adjusting a few things my energy is better, my skin is clearer, and I just feel more balanced overall.

    Emily Talbot

    Rythm Review

  • “I finally started sleeping through the night.”

    “I used to wake up in the middle of the night all the time and assumed it was stress. My Rythm test showed my ferritin was lower than it should be. Once I started working on my iron levels, I started sleeping so much better”

    Alex

    Rythm Review

  • “I wake up with real energy now.”

    “I originally signed up because my energy during the day felt low. My Rythm results showed my vitamin D was pretty low. After improving that, my daytime energy picked up and I started falling asleep more easily at night.”

    Natalie

    Rythm Review

  • “I feel like myself again.”

    I didn’t realize how much things like vitamin D, iron, and hormones could affect how you feel every day. My results pointed out a couple issues and after working on those my sleep improved, my energy came back, and my libido is finally normal again.

    Rachel

    Rythm Review

  • “My sleep finally feels consistent.”

    “For a while my sleep felt really unpredictable. Some nights were fine, other nights I felt wired. Seeing my thyroid markers in my Rythm results helped explain what might be influencing it, and tracking them over time helped me start dialing things in.”

    Danny

    Rythm Review

  • “My testosterone started improving once my sleep did.”

    “I started following the sleep and recovery insights Rythm suggested after my first test. My sleep improved a lot, and on my follow-up test I could see my testosterone had gone up too. I felt better day to day, and it was motivating to actually see it reflected in my results.”

    Mark

    Rythm Review

Get Started