ASSOCIATION OF SLEEP AND NAP DURATION WITH CARDIOVASCULAR DISEASE-FREE LIFE EXPECTANCY AMONG OLDER ADULTS

Sep 29, 2026

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Sleep and nap durations have been linked with many health outcomes, yet their impact on health expectancy remains understudied. This study investigated associations between nocturnal sleep and daytime nap durations with total life expectancy (TLE), and life expectancy with and without cardiovascular disease (CVD) among older adults in Singapore using representative longitudinal data across three waves from 2009-2015 (n=3452, age ≥60). Multistate life table methods estimated TLE and CVD-free and CVD-containing life expectancy after adjustment for socio-demographic and health factors.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages1

Reading Time3 min

AccessFree to download

Abstract

Study design and data

Methods

Key findings

Implications and future research

FAQs

How did the study measure life expectancy outcomes in older adults?

It used multistate life table methods to estimate total life expectancy (TLE) and life expectancy with and without cardiovascular disease (CVD) across ages 60, 70, and 80.

What did the results show about long versus recommended nocturnal sleep?

At ages 60, 70, and 80 there was no difference in TLE or CVD-free life expectancy, but long sleep was associated with shorter life expectancy with CVD.

Did nap duration have different effects on life expectancy with cardiovascular disease?

Life expectancy with CVD and the proportion of remaining life with and without CVD did not differ by nap duration, while long naps were associated with shorter TLE and CVD-free life expectancy versus none or short naps.

Sep 29, 2026

Upload by Jiven