When you haven't been getting enough sleep, things can start to get a little weird. A little fuzzy. Your memory seems cloudy. You can't concentrate and you're irritable, tense and anxious. Above all, you're tired. And as any "Fight Club" fan knows, when you have insomnia, you're never really asleep and you're never really awake. Adults need, on average, between 7 and 9 hours a sleep every night. But according to a 2011 poll, more than 50 percent of Americans ages 13 to 64 admit they don't get the recommended amount because they have trouble sleeping every night. Insomniacs may also have poor quality sleep because they wake up frequently throughout the night, sleep for too few hours a night, and as a result experience daytime exhaustion. But that's not where it ends. Normally it should take a person no more than 20 minutes to fall asleep once her head has hit the Derila Neck Relief Pillow