From Sauna to Sunlight: Finnish Biohacking Pioneer Reveals Science-Backed Habits for Longevity

Dr. Olli Sovijärvi shares evidence-based practices for extending healthspan at Biohacker Summit in Helsinki

At the heart of a sun-drenched Helsinki, where nearly 200,000 lakes and forests covering 70% of the land create an ideal setting for contemplating our connection to nature, hundreds gathered to hear one of Finland's pioneering holistic medicine practitioners reveal his formula for longevity. Not merely extending life, but enhancing the quality of those years.

"What matters is how you live now," declared Dr. Olli Sovijärvi to an attentive audience at the Biohacker Summit on Tuesday. "It's not about like I got asked, 'Hey, how many years you want to live?' I don't know. I want to live now."

The Pyramid of Priorities

As one of Finland's foremost experts in holistic medicine and co-founder of the Biohacker Center, Sovijärvi has distilled decades of medical practice and research into a hierarchical approach to longevity, with nature forming the essential foundation.

"Nature is everything. Without nature, we are not here," he emphasized, placing environmental connection at the base of his longevity pyramid, followed by human fundamentals like sleep and meditation, before culminating in supplements, technology, and medical interventions.

His presentation, "Top 10 Habits for Longevity," offered a roadmap that was refreshingly accessible—prioritizing practices like forest bathing and sauna use over expensive supplements or cutting-edge technology.

The Regenerative Power of Sleep

For Sovijärvi, quality sleep represents the cornerstone of any longevity protocol. Research has shown that even one night of partial sleep deprivation activates molecular processes associated with biological aging.

"Every day is a new beginning. When you go to sleep, you die to your older self. Then you wake up enjoying yourself," he explained, recommending seven and a half to eight hours of sleep nightly, with a particular focus on achieving two hours of deep sleep—the stage most crucial for cellular repair and brain detoxification.

"Sleep, a good sleep is related to longevity. I would aim for about 25% of deep sleep," said Sovijärvi, who candidly admitted he fell short of his own target the previous night, exemplifying a refreshing departure from the perfectionism often permeating wellness spaces.

Embracing Light and Rhythm

Rather than offering a one-size-fits-all prescription, Sovijärvi emphasized the importance of aligning daily routines with individual chronotypes—our natural tendencies toward being morning or evening people.

Perhaps most counterintuitively for an audience increasingly wary of sun exposure, he advocated for regular, moderate sunlight as essential for wellbeing.

"Sun is our source of all energy, of all life," he stated, recommending about five minutes of morning sun exposure and 20 minutes at midday, while acknowledging the need for balance to prevent overexposure.

"I know there are extreme biohackers who avoid sunlight at all costs because they are afraid of UV radiation," he said. "It is wise not to go in the sun like five hours straight and burn yourself up... But the point is that we need the sun."

The Finnish Prescription: Nature and Sauna

Drawing on Finland's rich natural resources and cultural traditions, Sovijärvi highlighted the measurable health benefits of forest immersion—from reduced blood pressure after just 10 minutes among trees to enhanced immune function after two hours.

Perhaps unsurprisingly from a Finnish expert, traditional sauna use featured prominently in his recommendations. Based on extensive research, he suggested four 25-30 minute sauna sessions weekly for optimal cardiovascular benefits, noting that regular heat exposure activates multiple longevity pathways at the cellular level.

Personalized Approaches to Diet and Exercise

In contrast to the often dogmatic approaches to nutrition prevalent in wellness circles, Sovijärvi advocated for personalization based on genetic data and individual needs, while acknowledging certain broadly beneficial approaches like the Mediterranean diet.

"Each one of you has an individual diet," he explained, sharing that his own genetic analysis suggested a Mediterranean-style eating pattern with increased protein intake and limited coffee consumption would best support his longevity.

For physical activity, he similarly recommended tailoring exercise regimens to genetic predispositions while ensuring a mix of cardiovascular work, strength training, and body maintenance practices regardless of individual variation.

The Measuring Mindset

Throughout his presentation, Sovijärvi emphasized the importance of measurement over assumption, particularly when it comes to supplementation.

"Who takes supplements?" he asked, with nearly every hand in the audience rising. "It's guesswork if you don't measure what you take," he cautioned, advocating for comprehensive biomarker testing to guide strategic supplementation.

This evidence-based approach extended to his recommendation of regular mindfulness practices, heat and cold exposure, and photobiomodulation (therapeutic red light therapy)—all with suggested "dosages" based on current research.

Beyond Longevity: Living Well Now

As the three-day Biohacker Summit continues through Wednesday in Helsinki, Sovijärvi's message resonated not just as a prescription for extending life, but for immediately enhancing its quality.

"That's what it's all about," he concluded, inviting attendees to measure success not by the years in their life, but by the life in their years—beginning with the present moment.

For a culture increasingly obsessed with longevity hacks and anti-aging interventions, Sovijärvi's emphasis on fundamental connections to nature, light, movement, and community offers a refreshingly accessible approach to the pursuit of not just a longer life, but a better one.

Frequently asked questions

What sits at the base of Olli Sovijärvi's longevity pyramid?

Nature. Nature is everything, he said; without nature we are not here. The Finnish holistic medicine practitioner and co-founder of the Biohacker Center placed environmental connection at the foundation, with human fundamentals stacked above it.

How much sleep does he recommend?

Seven and a half to eight hours nightly. Sovijärvi treats sleep as the cornerstone of any longevity protocol, noting research showing that even one night of partial sleep deprivation activates molecular processes associated with biological aging.

What are the measurable benefits of forest time?

Sovijärvi highlighted reduced blood pressure after just 10 minutes among trees and enhanced immune function after two hours. Traditional sauna use featured alongside it, drawing on Finland's natural resources and cultural traditions.

About the event

This recap is part of the Biohacker Summit 2024 Helsinki series, recorded in Helsinki on 2 and 3 July 2024. Read the summary of the whole event or join the next edition, HOLOLIFE Summit 2026 Amsterdam, on 14 and 15 November 2026.