Sleep Restraint is a form of cognitive behavioral therapy that is also used in controlling anxiety, depression and other mental disorders. The deliberate limitation of the amount of hours of sleep is seen by many sleep experts as one of the most effective ways to treat sleeplessness.
Sleep Restraint is a technique whereby you limit the amount of hours in bed to initially only 5 hours. Therefore, you will only need 5 hours to get up to bed. For that time and throughout the day you may need to stay awake. When you sleep better during those 5 hours, you can slowly add bedtime intervals of 15 minutes until you sleep 7 to 8 hours again.