Dr. Emily Zarka of Monstrum looks at the phenomenon of seeing a shadowy man in a wide brim hat appearing during episodes of ...

Imagine waking in the night unable to move, overcome with dread, hyperventilating with terror and feeling like a great weight is on your chest, suffocating you. You ...

Sleep paralysis is a feeling of being conscious but unable to move or speak. It happens when you pass between stages of wakefulness and sleep. [iStockphoto] Over the years, Simon Mwangi has been ...