29 Day
After-7 PM Late Snack Sleep Trial
| STUDY TITLE | After-7 PM Late Snack Sleep Trial |
|---|---|
| Submitted under umbrella |
|
| Date submitted |
— |
| End date |
There is no pre-specified end date and sub-studies remain open long-term. |
| Language |
English |
| Efforia AI IRB approval recommendation |
— |
| Recruitment page preview | |
| Informed consent | |
| Study author |
Alex Zelvin |
| Principal investigator |
Matthew Amsden |
| Sub-Investigator for Adverse Events |
Dr. Viral Patel |
| Description |
This draft uses a within-person alternating-day eating-timing routine to compare early evening cutoff days with late-snack days. Participants complete all caloric intake by 7:00 pm on early-cutoff days and consume one normal late snack after 7:00 pm on late-snack days. The protocol prioritizes real-world usefulness while keeping the timing rule clear and consistent across the full alternating schedule. |
| Participant engagement length |
29 Days |
| Sponsor |
This study is made possible by your payment to cover all supplies and expenses required to participate. |
| Cost to participant |
$0 |
| Included products & services |
Oura Ring: $0
|
| Outcome measures |
Oura Sleep |
| Methodology |
Single Arm longitudinal where participants act as their own control |
| Basic or advanced dissemination plan |
Basic |
| Deviation from recruitment approach |
No |
| Deviation from statistical approach |
No |
| Will study include “more about you questions” |
No |
| ClinicalTrials.gov |
Yes |
| Commitment to list findings on ClinicalTrials.gov |
Yes |
Preview This document is prepared with the assistance of AI, but is reviewed by a human.
Rational & Study Design
Reason I Created This Protocol:
Late eating is blamed for restless nights, groggy mornings, and “bad recovery,” while social feeds swear an after-dark bite can either wreck sleep or save it. Research links meal timing with circadian biology, glucose patterns, and sleep quality, but real-world late snacking data are messy. This study tests the midnight-munch folklore with a clean 7 pm line, wearable sleep metrics, and you as your own control.
My Objective For You:
To help you determine whether one normal snack after 7 pm meaningfully shifts your personal sleep patterns versus finishing calories by 7 pm, using alternating days and wearable sleep data from baseline through Day 31. By the end, you should see your own signal—not generic wellness gossip—so you can decide if late snacking earns a spot in your evening routine.
Aims & Objectives:
This protocol compares early evening calorie cutoff days with late-snack days to evaluate changes in sleep patterns across a practical 31-day self-experiment. You will receive personalized results showing how this timing rule affects your nights and mornings, helping you make smarter decisions about your food routine, recovery habits, time, and money.
Significance & Impact:
Late-night snacking is a common behavior with plenty of opinion and less personal proof. This study may clarify whether snack timing influences your sleep and recovery patterns in daily life, while recognizing limitations such as self-selection, imperfect dietary control, normal life stress, and wearable-derived rather than laboratory sleep measures. It is for health optimization and self-learning, not diagnosis or treatment.
The Intervention
Included Products & Services
Product Name: Oura Ring
Quantity included: 1
Price: $0.00
Product Description:
Product Image: —
Ingredients:
Product Safety: