Karen Thompson Walker

One night in an isolated college town in the hills of Southern California, a first-year student stumbles into her dorm room, falls asleep, and doesn't wake up. She sleeps through the morning, into the evening. Her roommate, Mei, cannot rouse her. Neither can the paramedics, nor the perplexed doctors at the hospital. When a second girl falls asleep, and then a third, Mei finds herself thrust together with an eccentric classmate as panic takes hold...