The Impact of Circadian Rhythms on Cardiovascular Risk
Research published in the Journal of the American Heart Association has shown a link between sleep patterns and cardiovascular health. A study analyzing data from over 300,000 adults with an average age of 57, participating in the UK Biobank study, investigated how being a “morning person” or “night owl” influences heart health.
The study found approximately 8% of participants identified as “night owls,” characterized by a late bedtime – around 2:00 AM – and peak activity during the night.
Around 24% were identified as “morning larks,” while 67% displayed an intermediate circadian rhythm,indicating they didn’t strongly identify as either a night owl or a morning person.
Eight Key Factors for Good Heart Health
Cardiovascular health was assessed using the American Heart Association’s ‘Life’s Essential 8’ parameters, which encompass habits and factors crucial for a healthy heart.
These factors include diet, regular physical activity, adequate sleep, avoidance of smoking, maintaining a healthy weight, managing cholesterol levels, and keeping blood sugar and blood pressure within optimal ranges.
The analysis revealed that “night owls” had 79% poorer cardiovascular health and a 16% higher risk of experiencing a heart attack or stroke compared to individuals with intermediate circadian rhythms.
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