We all pretty much now the effects of a sleepless night, especially when there is a full long day waiting for us. Aside from fatigue, lack of sleep can cause mood swings, where normally at that time of the day you are exciting and ready for a hard workout, now you're tired and unmotivated.
Sleep fills our batteries and makes us ready for what we need to do. Receiving little to no sleep will make it so you get behind on other things you do, because you are moving and working slower. It does impact your level of concentration and thus your performance in anything you need to.There are several irritants that are beyond our control that can cause lack of sleep like bed bugs.