The key to a happy and productive life is to stay busy and active. However, when it comes to juggling the responsibilities of both your personal and professional life, things can quickly become hectic. Although proper sleep is necessary for optimal health, you will find yourself in situations where actually getting the right amount of sleep is impossible.
When this happens, consider Modafinil, a wakefulness promoting nootropic which has been proven to improve memory recall by 10% while being safe. Other than this, here are other ways to stay alert, even when tired.