Mixed
Modest combined improvements in sleep (11 min/day), physical activity (4.5 min/day MVPA), and nutrition (3 DQS points) are associated with a clinically meaningful 10% reduction in major adverse cardiovascular events (MACE).
You do not need to overhaul your entire life to significantly lower your heart disease risk. Instead, focus on making small, manageable improvements in three key areas every day: get 11 extra minutes of sleep, add 4.5 minutes of moderate-to-vigorous exercise (like brisk walking), and improve your diet quality by about 3 points (roughly adding 1/4 cup of vegetables). These modest, combined changes are associated with a 10% lower risk of major cardiovascular events.
a theoretical minimum combined improvement of an additional 11 min/day of sleep, 4.5 min/day MVPA, and 3 DQS (1/4 cup of vegetables per day) were associated with 10% lower MACE risk (HR: 0.90; 0.88, 0.94).
Why this rating
Large prospective cohort (n=53,242) with objective wearable measures, though observational design limits causal inference.
Source
Clinically meaningful combined improvements of sleep, physical activity, and nutrition (SPAN) in relation to major adverse cardiovascular events
Nicholas A. Koemel et al. · medRxiv · 2025
DOI 10.1101/2025.09.10.25335537
More from this paper
- Optimal combined SPAN behaviors (high sleep 8.0-9.4h, high MVPA 42-104min, high diet quality 57.5-72.5) are associated with a 57% lower risk of MACE compared to the lowest tertile of all behaviors.Good
- Sleep duration has a non-linear (L-shaped or U-shaped) relationship with MACE subtypes, with optimal benefits for heart failure but potential risks for myocardial infarction and stroke at longer durations.Good
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