Browse by exact outcome

Deep sleep: every measured intervention

Ranked only against the same measurement, in the same unit. See the positive, neutral, opposite-direction and still-collecting evidence before deciding what is worth your own test.

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 limits

Questions about Deep sleep

What can improve Deep sleep for APOE4 carriers?

Phoenix has not yet published positive evidence that any intervention improves Deep sleep for APOE4 carriers. Training and workouts moved the opposite direction.

What has Phoenix measured against Deep sleep?

Phoenix has measured 1 intervention against Deep sleep: 1 opposite-direction. See the table below.

Every intervention measured against Deep sleep

Interventions measured against Deep sleep
InterventionWhat we observedEvidence status
Training and workoutsMember #B2E9BC's same-night deep sleep was 30% to 35% lower across two computations.Opposite direction

What changed for real APOE4 carriers?

Search by health goal or intervention to see what changed for real members, including results that moved the wrong way.

Sleep · Better deep sleep · 2 interventions shown.

Health goalSleep
SubgoalBetter deep sleep

Better deep sleep

Interventions tested: 2

Alcohol

Everyday exposuresOutcomes: 1

Deep sleep: Status Not supported

Not published

Training and workouts

ExerciseOutcomes: 1

Deep sleep: Decrease 30–35 %

Cases: 1

The Beat the Odds Study

The 43-page study: what members tried, how their bloodwork and wearable results changed, and what else changed alongside them.

Download the Beat the Odds Study

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