Katie Nelson is a journalist based in Kenya, where she covers human rights and global health issues. Her work puts her in dangerous and challenging situations, far from home. But not that long ago, Katie could barely get out of bed.
Whereas most people have distinct and regular periods of wakefulness and fatigue – usually divided into day and night, Katie felt the need to sleep all the time. She had lost all hope of leading a normal life, until one doctor finally asked the right question.