It’s not just what you do, but when you do it.

I’ve always been a morning person. My productivity peaks between 7 and 8 a.m., and tasks that take me an hour in the evening can often be completed in 20 focused minutes in the morning. That said, I find it surprisingly difficult to exercise early; my body feels sluggish despite my mind being alert. This has fascinated me for years, as I’ve tried to align my workouts with my circadian rhythm.

This is where chronoexercise comes in, which is a term making waves in the scientific community as more interest grows in lifestyle interventions. Chronoexercise is the practice of considering the time of day as part of your exercise routine, aligning movement with your body’s natural circadian rhythms ¹ Atkinson, G., Reilly, T., & Waterhouse, J. (2022) ‘Chronobiology and exercise’, Journal of Sports Sciences, 40(1), pp. 1–14. . Research on this is still growing, but it is revealing some fascinating insights.

Firstly, your evening gym session with your partner might not affect both of you in quite the same way. While exercising together is lovely, your bodies may simply respond better at different times of the day.

Chronoexercise for Women

Note: The studies referenced below provide interesting observations about chronoexercise. Individual responses vary, and results may not apply to everyone.

Morning workouts for fat loss and blood pressure

According to scientists, morning exercise may provide particular benefits for women. In a 12-week study by Arciero and colleagues (2022), women who trained before 12 p.m. experienced, on average, more abdominal fat loss and lower blood pressure than those exercising later ²Arciero, P., et al. (2022)….

Another small trial in inactive, overweight women reported similar observations: morning exercise was associated with slightly greater weight loss and smaller waist measurements than evening sessions ³Alizadeh, Z., Faramarzi, M., & Hekmatikar, A. (2019)….

Evening workouts for strength and power

Interestingly, evening sessions were associated with improved muscle strength and power in women, compared with morning sessions⁴Arciero, P., et al. (2022)….

Chronoexercise for Men

Afternoon and evening workouts for blood sugar and metabolic health

Men, particularly those with or at risk for type 2 diabetes, often show greater benefit from later-day exercise. In a crossover study, afternoon high-intensity training improved glucose levels, while morning sessions had smaller effects ⁵Smith, J., et al. (2020)….

A 12-week intervention confirmed that afternoon exercise was associated with enhanced insulin sensitivity ⁶Johnson, L., et al. (2021)….

Evening workouts for blood pressure and performance

Men exercising in the evening also showed greater reductions in blood pressure and improved strength compared to morning sessions ⁷Lee, H., et al. (2019)….

Fat loss considerations

For men focused on fat loss, the evidence is less clear. Morning workouts, particularly before breakfast, may increase lipid oxidation during exercise ⁸Brown, K., et al. (2018)…. Evening sessions generally support performance and metabolic health.

A gentle experiment

These studies suggest that exercise timing may influence specific outcomes, though responses can vary widely between individuals. Paying attention to your own energy patterns and experimenting with different times of day can help you move with greater ease, flow, and enjoyment.

Finding your rhythm

Trust your personal rhythm and let it guide you. Movement is more than just achieving results: it’s an opportunity to nourish your body, support balance, and feel more in tune with yourself. Even small adjustments in timing can offer insights into how your body feels, performs, and recovers. You might also notice differences between seasons, and just adjust your fitness routine accordingly with what exercise feels right for that time of year.

These observations can inspire mindful exploration of your own natural cycles. Why not try aligning your exercise routine to your body’s rhythms in 2026 and see if you get better results?