I was just reading this interesting finding about loneliness and how it even affects our sleep. One study in USA Today said that the more you feel lonely, the more you will have " fragmented sleep," or an interrupted night's sleep. As you know, a rough night's sleep can cause plenty of problems for you the next day. I always feel just as tired with a poor night's sleep as a limited night's sleep.
The study went on to suggest that there was "evidence that those individuals who perceive themselves as less connected to others have more fragmented sleep. Sleep could be a pathway through which perceived social isolation influences health."
The question then would remain, does poor sleep affect our feelings of loneliness, or does loneliness affect our sleep? Maybe it's a little of both. If you need some clarification on what loneliness actually is (as opposed to just "being alone" or "having solitude"), I've got a definition that will help. Loneliness is important in the development of friends, because if you feel lonely you will go about making and keeping friends differently, so it's important to understand what it really is and how you can combat loneliness.