Tradition / Region: Bengali Mythology, Indian Mythology
Alternate Names: Boba Jinn, Bobay Dhora
Category: Demon, Spirit
The Myth
Boba is a terrifying nocturnal spirit from Bengali folklore, feared for attacking people while they sleep. The name Boba means “mute” or “speechless,” referring to the helpless condition its victims experience during an encounter. In many traditions, the entity is described as a type of jinn or malevolent spirit that preys upon sleeping humans, especially those lying flat on their backs during the night.
According to the legend, Boba attacks silently in the deepest hours of darkness. Victims suddenly awaken but find themselves completely unable to move, speak, or cry for help. They remain conscious while an invisible force pins them down. Many report feeling immense pressure on their chest, as though something heavy is crushing them, making breathing extremely difficult. The experience is accompanied by overwhelming terror and the sensation of being strangled.
Although the spirit is not always fully visible, witnesses often describe seeing a shadowy figure sitting on their chest or crouching nearby in the darkness. Some accounts portray Boba as a dark humanoid being with glowing eyes, while others describe it only as a suffocating presence lurking in the room. The victim may hear whispers, breathing, footsteps, or strange sounds while remaining unable to move even a finger. In some stories the spirit leans close to the victim’s face, watching silently while choking them.
The attack usually ends suddenly. After several moments — or what feels like an eternity — the pressure disappears and the victim regains the ability to move and speak. Many people are left shaken for hours afterward, convinced they narrowly escaped death. Because the experience feels completely real, belief in Boba became deeply rooted in Bengali culture, particularly in rural areas where stories of nighttime attacks were passed down for generations.
The phenomenon is commonly called Bobay Dhora, meaning “being seized by Boba.” Traditional beliefs warn people against sleeping alone, sleeping on their back, or falling asleep in spiritually unclean places. Some families recite prayers, verses, or protective rituals before bed to ward the spirit away. In certain stories, repeated attacks by Boba are believed to weaken a person physically and spiritually over time.
Unlike many monsters that haunt forests or rivers, Boba invades the safety of the home itself. It attacks in silence, during the most vulnerable moment of human weakness — sleep — turning the darkness of the bedroom into something terrifying and inescapable.
Sources
Wikipedia contributors. (n.d.). Ghosts in Bengali culture. In Wikipedia, from https://en.wikipedia.org/wiki/Ghosts_in_Bengali_culture