Tart Cherry Extract and Polysomnography-Validated Sleep Architecture

by Somnia Research Group · View org →

CATEGORY

SLEEP

TYPE

INTERVENTIONAL

DURATION

4 WEEKS

STATUS

● RECRUITING

REWARD

$ Bronze

Under $50 per participant

POOL

$3,600

ENROLLED

8/80

COMPLIANCE

80%

min. threshold

// COMPENSATION_DETAILS

Exact compensation amounts are shown to verified participants after profile creation and protocol review. This study offers under $50 per participant compensation for verified completion of all milestones.

Create profile to see details →

// DESCRIPTION

Participants consume tart cherry extract (480mg anthocyanins) nightly. Sleep architecture tracked via Oura Ring with a subset validated against clinical polysomnography.

// ELIGIBILITY

WHO IS ELIGIBLE

✓Age: 25–60

✓Owns Oura Ring (Gen 2 or 3)

✓Non-shift worker

WHO IS NOT ELIGIBLE

No specific exclusions listed.

// WHAT IS COLLECTED

FORMAT

Europe

DURATION

~4 weeks

COMPLIANCE MINIMUM

80%

INPUTS

Wearable sleep data · daily logs · morning HRV

DEVICES / TOOLS

wearable device

SAMPLE TYPE

none

VISITS

Europe in-person

// QUESTIONS

[2]

Participant 003· 1mo ago

Is there a required washout period if I completed another gut study 3 weeks ago?

Participant 028· 1mo ago

Do you accept participants using Apple Watch Series 7 or does it need to be newer?

—