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New research offers hope in reducing the number of drowning incidents worldwide, after putting the latest safety guidance to the test.

A team at the ���ϳԹ�’s Extreme Environments Laboratory (EEL) have confirmed the Royal National Lifeboat Institution’s (RNLI)  ‘Float to Live’ messaging is effective at helping inexperienced people survive in realistic open water conditions.

Participants in two studies successfully applied the techniques in different water scenarios, including still and moving fresh water, sea water, and even while clothed, which mimics real-life accidental falls into water.

Professor Mike Tipton MBE, co-founder of the University’s EEL, said: “Simple, actionable advice can make a substantial difference in survival rates for inexperienced swimmers and experienced swimmers overcome by the conditions. By improving floating competence and confidence, we can also better equip people to handle unexpected immersion in water.”

In Study 1, a total of 25 participants undertook four floats in still open water (fresh or sea water).  In Study 2, 23 participants undertook three floats in an indoor swimming flume. 

The volunteers were not experienced water users and only 32 per cent were confident in their ability to float prior to taking part.

The team assessed the effect of the RNLI advice on floating competence, confidence and difficulty, and then compared it to a float with no guidance.

The results showed following the ‘Float to Live’ instructions significantly improved participants' ability to float, even in less controlled and more challenging open water environments, such as lakes and seas.

The studies, , also found personalised coaching further enhanced floating skills. Simple tips like "tilt your head back with ears submerged", "relax and move your hands gently", and "it is okay if your legs sink" were particularly beneficial. 

Dr Clare Eglin, from the Extreme Environments Laboratory, said: “We found that both practice and coaching improved floating ability, but the majority of participants said they preferred coaching first as this increased their confidence more quickly. This is an important finding, as not everyone can afford or commit to personalised coaching and the floating skills practised in a pool are transferable to open water.” 

There are an estimated 236,000 annual drowning deaths worldwide (World Health Organization, 2023). In the UK, around , which equates to one person dying every 20 hours, and around half never intended to enter the water. 

About 60 per cent of people who die on immersion in cold water do so in the first minutes due to cold shock. The risk is further increased if the individual thrashes about or attempts to swim at this time.  

As a result, the RNLI in collaboration with the ���ϳԹ�, developed the water safety message. Underpinned by EEL’s research findings, the campaign has successfully increased public understanding of the importance of floating as a primary survival behaviour in water-related emergencies and has been reproduced internationally. 

The charity has already begun integrating the new study's findings into its campaign, adding new visuals and instructions to make the message even more effective.

Gareth Morrison, RNLI Head of Water Safety, said: “We are delighted that this new research has confirmed that our ‘Float to Live’ message is effective at helping inexperienced people survive in realistic open water conditions. Our collaboration with the ���ϳԹ� has been key to finding the most effective way to communicate the advice and we’re pleased that it is so successful. We know that following this simple advice can make a lifesaving difference.”  

Last year, the University’s Extreme Environments Laboratory (EEL) became the first institute to be given the inaugural Excellence in Physiology Award from (TPS), the largest network of physiologists in Europe, supporting their members to improve lives through physiological discovery.

This prestigious honour serves to commemorate the EEL’s work influencing global search, rescue and out of hospital practices and policies, as well as improving both athlete and occupational safety in extreme environments.