Counting sheep just not working? Sleep, at last with Jet-Asleep No one enjoys losing sleep, but did you know that losing sleep does a lot more than just make you grumpy in the morning? Sleep loss is a factor in many accidents both on the roads and in the workplace. It also impacts your cognitive abilities and, over time, can put you at risk for serious health problems like heart attack and high blood pressure. With double-the-strength of the leading competitor, Jet-Asleep’s 50mg diphenhydramine formula helps provide a restful night’s sleep. And even better, it’s affordably priced.