4 reasons why you might be falling asleep at your desk

Feeling your eyelids flutter when you should be concentrating at work? Liz Connor looks into why you might be feeling fatigued.

The car alarm that was blaring outside your window at 2am. The after work drinks that quickly escalated. That sixth episode of Orange is the New Black... There are plenty of reasons (both self-inflicted or otherwise) why you might arrive at work feeling slightly worse for wear and yawning into your third Americano.

Sleepless nights are never fun, but all of us will experience tiredness at some point throughout our lives, and the odd disrupted night of sleep isn't usually a cause for concern.