Beat Sleep Disturbances And Get A Good Night's Sleep By: Alan Densky | - If you feel irritable because you haven't been sleeping well, you aren't alone. One-fourth of all adults in this country has insomnia. This condition is a sleep disorder in which people cannot fall asleep after being in bed for half an hour. Others fall asleep quickly, but awaken and lay awake for hours. A number of people wake up often throughout the night, or do not feel rested after several hours of sleep.