Meet Toby, our new dog. No, he doesn’t have a sleep problem. But Toby has a problem that seriously affects the quality of his and our lives: he’s terrified of dogs. We adopted him from a rescue shelter, unaware that the mere sight of a 5-pound Chihuahua would cause Toby to leap and bark as though he feared for his life. Toby’s fear of dogs reminds me of my own fear of sleeplessness, which I struggled with for decades. The problem seemed insurmountable . . . until I went through insomnia treatment and found a way out. If sleep anxiety is your problem too, read on.