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Running 20+ miles a week is my ultimate sleep hack — here’s how it keeps my sleep score in the 90s

AnyFans 2025-09-16

By Eve Davies

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Running 20+ miles a week is my ultimate sleep hack — here’s how it keeps my sleep score in the 90s

Eve Davies

15 September 2025

A sleep and circadian scientist explains why exercise helps me sleep

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Keep to your running schedule with a sunrise alarm clock

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Investing in the best sunrise alarm clock means you’ll wake up to a sunny day even in the depths of winter — perfect for your morning run
Besides Strava kudos, if there’s one thing I get out of running it’s a solid sleep schedule and ace sleep scores.

I run four times a week and credit this habit (alongside sleeping on one of this year’s best mattresses) for keeping my sleep scores in the 90s.
Generally, I sleep seven to eight hours a night, spending plenty of time in each essential sleep stage according to my trusty sleep trackers.

Running means I spend plenty of time outdoors, balance my energy levels and am usually sleeping by 10pm at night. Ahead I’ll delve into why this is, with expertise from sleep and circadian scientist at the UK Sports Institute, Dr Luke Gupta.

Exercise your way to better sleep
There is a two-way relationship between sleep and exercise. Getting adequate exercise paves the way to good sleep, while sleeping well boosts your physical performance.
A recent scientific review published in the Biological Timing and Sleep journal concludes regular exercise is an effective method for improving sleep health.
From my own experience, I can vouch that I sleep best during nights after an early morning run. But, I’m not suggesting everyone runs 20+ miles a week as that’s not realistic for everyone.

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Even something as simple as a daily walk can have serious sleep benefits and have a positive impact on sleep disorders. For example, research published in the Journal of Clinical Sleep Medicine found a daily walk can reduce your risk of sleep apnea by 10%.
3 ways running helps me sleep
From literally tiring me out to regulating my body clock, there are many ways my running schedule helps me sleep peacefully…

(Image credit: Getty Images)
Builds up sleep drive
On the most literal level, exercise physically tires you out so you feel more sleepy at night. Dr. Gupta explains that physical activity stimulates cardiovascular and nervous systems, which creates a greater need for restorative rest.
As the body works to recover muscles post-exercise, it produces more adenosine — a chemical that makes you feel tired and ready to sleep. “With more adenosine present, the body’s natural pressure to sleep is greater,” says Dr. Gupta.
Exercising also means you’re more likely to get better quality sleep with plenty of time spent in deep sleep, which is when your muscles recover from training, according to recent research.
Helps align my circadian rhythm
I usually run first thing in the morning around 7am and this does wonders for my body clock. Seriously, there’s no wake up call like pounding the pavements for an hour or so, but it also helps align my sleep-wake hormone cycles.
It means I’m out in daylight first thing which has great sleep benefits. Getting morning sunlight supresses the sleepy hormone melatonin and moving your body boosts the alertness hormone cortisol.
In turn, my circadian rhythm lines up to natural light patterns and I feel energised for the day ahead.
By the time evening roles around, my body knows it’s time to produce melatonin again and and fall asleep fast.
Reduces stress and anxiety
As you’ve probably heard many “run-fluencers” say on Instagram, running is a form of therapy. Dr. Gupta also explains running can help you manage the “cognitive and emotional elements of sleep”.

(Image credit: Getty Images)
By boosting endorphins (aka happy chemicals in the brain), running offers an effective way to manage stress levels.
As stress and anxiety are common causes of sleeplessness (hello racing thoughts at night), running’s mental-health-boosting benefits translate to sleep benefits too.
I’m an overthinker but my busy brain feels noticeably calmer on days where I’ve ran. By the time I climb into bed at night, I’m able to wind down easier and fall asleep without having to call upon cognitive shuffling (though I recommend this sleep method if you are struggling to sleep due to a anxious thoughts).
Exercise tips for better sleep
It’s easy to say ‘exercise more, sleep more’, but there are some things to be aware of to make sure you optimize your fitness schedule for the best quality sleep. Here are my top tips…
1. Time it right
My number one tip for exercising for better sleep is get intense sessions done in the morning and gentler exercise in some evening.
Vigorous exercise hikes your body temperature, counteracting the drop in temperature needed to sleep peacefully. Therefore, it’s better to do intense exercise earlier in the day so your body has fully cooled down before it’s time to sleep.

(Image credit: Getty)
Meanwhile, studies show low-intensity forms of exercise like yoga, Tai Chi, walking are more effective than other exercises at boosting sleep quality.
This research found yoga in particular increased total sleep time, improved sleep efficiency, reduced wake time after sleep onset and shortened sleep latency (the time it takes to fall asleep).
Therefore, I recommend stretching before bed for better sleep. I regularly incorporate a 10 to 15 minute stretch session into my nighttime routine and find it helps calm my mind and relax my muscles before bed so it’s easier to nod off.

You burn through a lot of fuel during intense exercise and this means you need to replenish your energy stores not only for your muscles to recover, but also so you sleep well at night.
Without proper post-exercise nutrition, your body can remain in a state of stress which makes drifting off into peaceful sleep a hard task. Eating plenty after exercise will also mean you avoid nighttime hunger pangs that can disrupt sleep.
3. Don’t overdo it
While exercise is great for sleep, overtraining can lead to poor quality sleep. This is because excessive exercise causes physiological stress and increases cortisol levels.

(Image credit: Getty Images)
If you don’t allow your body enough time to rest and recuperate between exercise sessions, these levels will remain high, making it harder to drop off and get good quality sleep at night. As a result, you will feel fatigued.
Dr. Gupta adds that doing a lot of training can compromise your immune response causing sleep-disrupting illness. Therefore, it’s important to be mindful of the amount of intense training your doing for the best sleep outcomes.

Sleep Staff Writer

Eve is a PPA-accredited journalist with an MA in Magazine Journalism from Cardiff University. She has four years’ experience writing features and news and is interested in the relationship between good sleep, overall health and physical performance. At Tom’s Guide, Eve is responsible for reviews of sleep tech and is our smart and cooling mattress specialist, focussing on brands like Eight Sleep and Sleep Number. She also covers general mattress reviews, seeks out the best deals on sleep accessories and enjoys writing features about sleep health. She has been involved in rigorous mattress testing procedures in our Sleep Studio and has interviewed experts including sleep doctors and psychologists. When not covering sleep at Tom’s Guide, Eve enjoys writing about fitness, food and culture.

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