There could be n number of reasons for your sleep deprivation. But, lack of sleep affects are not just shown as dark circles around your eyes and your recklessness, there are many other affects of lack of sleep... want to know that are they? Then read further;
Sleeplessness will definitely lower your ability to multi task and many times, you will end up not even completing a single task within a given time and in a right manner. Just as your body needs food to get the energy so it needs a proper sleep for your body to be healthy and mind to work proper. Lack of sleep will definitely affect your ability to work and think in a proper manner.
Sleep disorders and chronic sleep loss can put you at risk for:
Heart disease
Heart attack
Heart failure
Irregular heartbeat
High blood pressure
Stroke
Diabetes
Unless and until you have a serious problem like insomnia that has to be treated by experts, it is better to find out the reason for your sleep deprivation and get a proper sleep soon.
A last but not the least suggestions, unless doctor suggests you, don't use any medication by yourself to get sleep every day. This is further worsen the situation.