Sleep is very important for one's physical and mental health. A good quality night's sleep will leave you feeling refreshed the next day. Quality sleep means getting a good night's sleep. To get quality sleep, find out about how to sleep soundly below. Several studies have revealed that lack of sleep is associated with decreased thinking, concentration, and ability to work. Furthermore, if left unchecked in the long run, lack of sleep plays a role in increasing the risk of heart attack, obesity, diabetes, and cancer. Causes of Difficult Sleep If you experience difficulty falling asleep, know the cause so that it can be overcome. Some things that cause sleeplessness include: Stress Stress is a response to everyday problems. Stress affects physically, behaviorally, and emotionally. Stress that is too heavy can make the body tense and anxious, causing sleep problems. Medical condition There are many medical conditions that can cause a good night's sleep. S