In the summer of 1951, 67-year-old Mary Reeser was found almost entirely incinerated in her armchair in St. Petersburg, Florida — in a fire so strange, the FBI was called in. The walls were untouched. The clock had frozen at 4:20 a.m. And all that remained of Mary was a slippered foot, part of her spine, and a shrunken skull.

Her death would become one of the most famous unsolved mysteries in modern forensic history, sparking decades of debate over spontaneous human combustion, the wick effect, and whether science has ever truly explained what happened that night.

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In July 2014, 28-year-old German tourist Lars Mittank vanished without a trace from Varna Airport in Bulgaria. Just hours before his flight home, Lars suddenly ran from the terminal in a panic, leaving behind his luggage, wallet and passport. Security footage captured him sprinting into nearby fields — and he was never seen again.

What began as a summer holiday with friends quickly spiralled into one of Europe’s most unsettling modern mysteries. What happened to Lars in those final hours? Was he running from someone — or something only he could see?

In this episode of Mysteries at Bedtime, we trace Lars’s final days: the bar fight that injured his ear, the strange calls to his mother, the bizarre behaviour at the hotel, and the haunting airport footage that still chills millions of viewers online.

This is the story of the vanishing man at Varna Airport — a case that continues to baffle investigators, fuel theories, and break hearts around the world.

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Richard Lancelyn Green was the world’s leading expert on Sherlock Holmes. A lifelong collector, historian, and passionate Holmesian, he spent years uncovering long-lost treasures tied to Arthur Conan Doyle. But in March 2004, Green was found dead in his London flat under circumstances eerily reminiscent of the detective stories he adored.

Was it suicide, an accident, or something far more sinister? This episode of Mysteries at Bedtime unravels the strange twists of his final days — from secret archives and disputed literary estates to a mysterious garrotting and unanswered questions that still puzzle investigators today.

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Listener discretion advised: This story contains subject matter some may find upsetting.

In the quiet Scottish countryside, just outside Dumbarton, lies an elegant stone bridge that has become infamous around the world. Since the 1950s, Overtoun Bridge has drawn eerie attention for a chilling phenomenon: hundreds of dogs have leapt from its walls—many to their deaths—without warning or explanation. Locals call it the “Dog Suicide Bridge.” Scientists, spiritualists, and sceptics have all tried to unravel the mystery. Is it something in the landscape, a scent in the air, or something far stranger at work?

In this unsettling episode of Mysteries at Bedtime, we step into the misty grounds of Overtoun House, trace the chilling reports of inexplicable canine behaviour, and explore the folklore and theories that have haunted this bridge for decades. Prepare for a story where the line between natural instinct and the supernatural becomes dangerously blurred.

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In 1976, the small town of Circleville, Ohio, began receiving letters, hundreds of them.

Each one was anonymous. Each one accused neighbours, teachers, and officials of dark secrets. And each one carried the same eerie signature: none at all.

The anonymous writer seemed to know everything, where people worked, who they spoke to, even private affairs no one else could have known. Then came the threats, a mysterious death, and a trap wired with a gun.

When a local man was arrested, everyone thought the nightmare was over… until the letters kept coming from hundreds of miles away, even while he sat in prison.

In this episode of Mysteries at Bedtime, we revisit one of America’s most disturbing unsolved cases, a story of obsession, fear, and words that tore a town apart.

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In December 1946, 18-year-old Bennington College student Paula Jean Welden set out for a short hike on Vermont’s Long Trail. She was seen by motorists and hikers and then she was gone. Despite one of the largest searches in state history, no trace was ever found. Her case not only unsettled a community, but directly led to the creation of the Vermont State Police, and became part of the legend of the so-called Bennington Triangle.

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In 1928, nine-year-old Walter Collins vanished on his way to the cinema in Los Angeles. Months later, police declared they had solved the case and returned a boy to his grieving mother. But when Christine Collins insisted the child was not her son, she found herself locked in a battle with one of America’s most corrupt police departments and at the centre of a mystery that would spiral into one of California’s darkest criminal cases.

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In December 2016, American diplomats in Havana, Cuba, began reporting a strange set of symptoms, nausea, dizziness, headaches, and hearing loss. Many described hearing a high-pitched sound, like marbles rolling inside a funnel, just before the illness struck. By 2018, dozens of U.S. and Canadian officials had been affected, sparking panic, diplomatic fallout, and years of investigation.

Was it a new kind of weapon, crickets mistaken for sonic attacks, or mass stress spreading through embassy halls? In this episode of Mysteries at Bedtime, Jack unravels the story of the Havana Syndrome, from the first reports in Cuba to its spread in China, through government inquiries, scientific studies, and a mystery that remains unsolved to this day.

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