In this hyperspeed world, the inescapable culture of overwork and the resulting (dubious) badges of honor for functioning on too little sleep often come with serious consequences.

What do we mean when we talk about sleep deprivation? How much sleep is enough? And how does lack of sleep affect erectile function?

What sleep deprivation does to you

Sleep disorders can wreak havoc on your body, emotions and mind, manifesting in a surprisingly wide array of conditions.

One meta-study, published in the New Zealand journal Sports Medicine, found sleep deprivation affects certain athletic performances and promotes inflammation and immune system dysfunction. Researchers indicated reduced sleep quality and quantity in athletes can cause an autonomic nervous system imbalance, mimicking the symptoms of overtraining syndrome.

'When a person sleeps sufficiently, there is more happiness, more wellness and there's more overall good health.'

Lack of quality sleep can affect your mental health as well as your