One intervention, every measured benefit and result that did not improve. See who it moved for, where it stayed neutral or went the other way, and the next hypothesis Phoenix can validate.
Phoenix APOE4 Research · Reviewed by Kevin Tran, APOE4/4 carrier and founder · Data through 2026-08-23 · How to read this research
How to read this
Observational research: real APOE4 carriers tracked over time, each compared with their own earlier self. Members chose their interventions, with no randomisation or placebo group. Everything else they changed is shown beside each result.
Read the full methods and limitsPhoenix has measured Sleep mask against 1 exact outcome for APOE4 carriers. One curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor.
| Outcome | Direction | What we observed |
|---|---|---|
| Deep plus REM sleep | Repeated positive | One curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor. |
Phoenix has measured Sleep mask against 1 exact outcome for APOE4 carriers. One curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor.
One curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor. Support: 19 logged members, 11 members with repeats, 1 observations.
Search by health goal or intervention to see what changed for real members, including results that moved the wrong way.
Sleep mask · 1 outcome shown.
Deep + REM sleep: Increase 17 min
Repeat members: 11Average
One curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor.
Sleep mask
✓Repeated positiveOne curated case had 134 more deep-plus-REM minutes; the 11-member ten-tag-day cohort averaged about 17 more minutes and stayed positive at every floor.
Little published human data on this link yet.
Sleep-mask nights carried 134 more minutes of deep plus REM sleep under independent recomputation.
What else changed: no nearby starts were recorded.
Next study: repeat Deep plus REM sleep after a dated Sleep mask window.
The 43-page study: what members tried, how their bloodwork and wearable results changed, and what else changed alongside them.
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