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What’s more important: sleep consistency, or sleeping for the right amount of time?

  • Writer: Sophie Bostock, PhD
    Sophie Bostock, PhD
  • Jan 31, 2024
  • 2 min read


For years we’ve been told that 7+ hours of sleep is recommended for good health, but it may be that a consistent sleep-wake pattern is just - if not more - as important…


Sleep Consistency and Survival

This study used data from the UK Biobank study. It found that adults with the most consistent sleep pattern - or highest Sleep Regularity Index - were more than 30% less likely to die over almost 8 years of follow up than those with the least consistent sleep patterns.


Adults with the most consistent sleep pattern - or highest Sleep Regularity Index - were more than 30% less likely to die over almost 8 years of follow up than those with the least consistent sleep patterns.


This relationship remained significant, even after adjusting for age, socioeconomic status and other variables - including sleep duration. The amount of time people spent asleep was a much weaker predictor of survival.


This sounds positive if you're able to wake up at the same time 7 days a week, but what does it mean for shift workers?


Well, in a way it’s not new news.. we’ve known for decades that night shift work increases health risks because of the disruption to circadian rhythms. Crucially, this paper adds weight to the evidence that sleep consistency could be protective for ALL of us ❤️‍🩹.. whether we work shifts or not.


KEY POINT: Researchers recommend aiming for a 1 hour window for both going to bed and waking up in the morning.


Ref: Winfred et al (2024) Sleep regularity is a stronger predictor of mortality risk than sleep duration: A prospective cohort study


This study doesn’t prove that increasing the consistency of your sleep improves health.. we’ll need to wait for trials to explore that.. but I often get feedback from people that ditching their weekend lie-ins actually gives them more energy.. Worth a try? 🤔


(Caveat: ditching the lie in works if you get enough sleep during the week! I'd suggest it's not worth sacrificing sleep time in favour of consistency.. we ideally need both!)




36 Comments


sergio modric
sergio modric
7 days ago

Well explained discussion of an important distinction between getting enough sleep and maintaining a consistent sleep schedule. The study findings around sleep regularity provide an interesting perspective without suggesting that duration should be ignored. I maefence.com appreciated the balanced caveat, and the mention fits naturally within the wider conversation about practical habits that support healthier everyday routines.

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linn paul
Aug 31

The article raises an important question about whether consistent sleep schedules or sufficient sleep duration matters more. I found the balanced discussion especially useful because both habits can affect everyday wellbeing and routines. https://www.kingsroofingllc.com/ reminded me that consistency and dependable routines are valuable in other practical areas too. This was an informative read with helpful points to consider.

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Leo Coleman
Leo Coleman
Aug 19

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Leo Coleman
Leo Coleman
Aug 19

The groundbreaking announcement at River's Edge gives readers an interesting look at a project moving from planning into a more tangible stage. I enjoyed seeing how development can represent both a physical transformation and a broader vision for the future. Projects like this also demonstrate why thoughtful planning matters before construction begins. That principle is relevant to interiors as well, where https://candb.ca/ approaches furniture with customization in mind, creating Canadian made pieces that can complement the specific dimensions and character of a space.

Like

Leo Coleman
Leo Coleman
Aug 19

The groundbreaking announcement presents an encouraging look at development, investment, and the possibilities that new projects can bring to a community. I appreciated the sense of progress throughout the article and the way the project is presented as part of a broader vision. It also reminded me how distinctive details can give projects their own character, much like https://trickmytruck.com/ uses personalized elements to create memorable designs. The post was informative and positive, offering readers a clear sense of why the development matters.

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