Only 3 percent of professionals get eight hours of Sleep every night of the working week. According to a Travelodge sleep study, company directors are the most sleep-deprived of all, with 8 per cent getting under four hours of rest per night.

The survey included more than 5,200 individuals from 30 different careers to discover more about how work affects rest. Those in the travel industry, such as cabin crew and pilots, found it hardest to get to sleep: 86% struggled with sleepless nights. Teachers were the most likely to stay awake because they were worrying about their work (39%). Here are the top 10 most sleep-deprived professions are:

* Company directors (averaging 5.9 hours of sleep a night)
* Ambulance crew/paramedics (6 hours)
* Tradesmen (6 hours)
* Leisure and hospitality workers (6 hours)
* Police officers (6.1 hours)

* Factory workers (6.2 hours)
* Nurses (6.3 hours)
* Engineers (6.3 hours)
* Doctors (6.4 hours)
* Civil servants (6.4 hours)