ERIKA: STEP INTO ANY CROSSFIT GYM AND YOU ARE LIKELY TO SEE A FEW OF THESE WRISTBANDS.
USED BY SOME OF THE BEST ATHLETES IN THE WORLD.
IT WAS CREATED IN CAMBRIDGE AND IS NOW BASED IN BOSTON.
>> WE BUILT IT OUT OF THE HARVARD INNOVATION LAB.
IT REALLY KICK STARTED THE COMPANY.
ERIKA: THE FOUNDER SHOWS OFF THE BULKY BEGINNINGS SEVEN YEARS AGO.
A CAPTAIN OF THE HARVARD SQUASH TEAM, HE BECAME DETERMINED TO FIND A WAY TO IMPROVE HUMAN PERFORMANCE WHILE IN COLLEGE.
>> I WAS SOMEONE WHO USED TO OVER TRAIN.
I GOT INTERESTED IN HOW YOU COULD PREVENT THAT.
HOW YOU CAN ULTIMATELY PERFORM BETTER AS AN ATHLETE.
ERIK WHAT IT IS NOW IS A VERY BUSY TRAINING AND RECOVERY TOOL.
>> WO CONTINUING THE SLEEPOP --
IT MEASURES HEART RATE, VARIABILITY, SKIN CONNECTIVITY, TEMPERATURE, ACCELEROMETER.
ERIKA: IT KNOWS WITH INCREDIBLE ACCURACY WHAT IS GOING ON IN YOUR BODY WHEN IT COMES TO STRENGTH, HOW HARD YOU ARE WORKING, AND RECOVERY.
THE QUALITY AND QUANTITY OF YOUR REST.
WOOP WILL TELL YOU HOW MUCH ACTIVITY YOU NEED AND HOW MUCH SLEEP.
>>WHOOP IS IN A CLASS OF ITS OWN BECAUSE IT CAN TELL YOU WHAT TO DO TODAY.
ERIKA: A SENIOR AT BOSTON UNIVERSITY, OLINDA IS AN ASPIRING CROSSFIT COMPETITOR WHO TRAINS AT THIS.
SHE SAYS THERE IS A REASON IT IS SO POPULAR.
>> THE GENERAL IDEA IS TO WORK REALLY HARD WHICH IS GREAT.
BUT I THINK IT IS REALLY EASY TO OVERTHINK.
-- OVER TRAIN.
ERIKA: STARTS EVERY DAY WITH A REPORT ON HOW RECOVERED SHE IS.
>> IF I HAVE A LONG DAY PLANNED AND I WAKE UP AND I AM 40% RECOVERED OR LESS, I CAN ADJUST AND NOTE TO DO LESS.
ERIKA: WHEN ACTIVE IT TRACKS EXACTLY HOW HARD YOU ARE WORKING.
YOU CAN PROGRAM IT OR LET THE DEVICE DETECT ONCE YOU BEGIN.
>> I GUESS I AM READY TO WORK OUT.
>> 3, 2, 1, GO.
ERIKA: WASH YOUR HEART RATE RISE.
MEET SPECIFIC GOALS.
>> GREAT JOB.
>> BEFORE I WAS NOT VERY AWARE OF HOW IMPORTANT RECOVERY WAS.
THAT IS PROBABLY THE BIGGEST THING IT SHOWED ME.
>> PEOPLE THINK YOU GET STRONGER AT THE GYM.
YOU ACTUALLY GET STRONGER WHEN YOU ARE SLEEPING, BECAUSE THAT IS WHEN YOUR BODY IS CREATING IN GROWTH HORMONE.
ERIKA: WHEN WHOOP FIRST LAUNCHED, PRIMARILY ELITE ATHLETES WERE USING IT.
>> LEBRON JAMES AND MICHAEL PHELPS.
ERIKA: CONSTANTLY TESTING AND IMPROVING THE PRODUCT, WHOOP JUST LAUNCHED ITS FIRST -- THIRD ITERATION.
THE CUSTOMER BASE IS EXPANDING, BUT MOST USERS HAVE ONE THING IN COMMON.
THEY ARE HIGHLY MOTIVATED.
>> TRYING TO OVERCOME STRESS.
TRYING TO GET MORE SLEEP.
THEY TRAVEL A LOT.
SURGEONS, DOCTORS, COPS.
ERIKA: IT IS DESIGNED BE WORN ALL THE TIME, EVEN IN WATER.
THE BATTERY SLIDES ON.
>> WEARING THIS FOR 40 MINUTES GIVES YOU A BETTER LIFE OF ANOTHER FIVE DAYS.
YOU TRULY NEVER NEED TO TAKE IT OFF.
ERIKA: AND BECAUSE YOU NEVER TAKE IT OFF, AESTHETICS ARE IMPORTANT.
THERE IS A MYRIAD OF COLOR AND FABRIC CHOICES.
>> WHICH DO YOU LIKE THE MOST?
ERIKA: WHITE AND GOLD.
THAT IS FOUNDER GOAL.
>> ALTHOUGH YOU CAN GET IT ON WHOOP.COM, THIS IS PUBLICLY AVAILABLE.
ERIKA: THE NAME WHOOP WAS CHOSEN TO CONVEY ENERGY.
REMEMBER TO OPTIMIZE YOURS, PLAY HARD, BUT ALSO SLEEP LIKE A CHAMPION.
ANTHONY: INTERESTING.
WHOOP REPORTS AFTER FOUR MONTHS USERS SAY THEY ARE DEDICATING AN ADDITIONAL 41 MINUTES EVERY NIGHT TO SLEEP.
SHAYNA: SOMETHING IS WORKING BECAUSE 60% SAY THEY EXPERIENCE FEWER INJURIES BECAUSE OF THIS.
WHAT ARE WE DOING?
ANTHONY: MORE SLEEP AND LESS INJURIES.