Summer seasonal affective disorder (SAD) can affect 58 per cent of workers, research from the Training and Development Agency for Schools (TDA) has revealed.
While many office workers around the country feel demotivated and unhappy, teachers enjoy 13 weeks of holiday a year.
Graham Holley, chief executive of the TDA, suggested that some people may want to switch professions and become a teacher.
"A teacher's work is immensely rewarding - there's no other job like it - but it is undeniably hard work during term time. The six-week summer break is a well-deserved benefit offering time for relaxation as well as time to catch up," he said.
The poll by the TDA also revealed that eight per cent of workers are likely to call in sick on a sunny day, while seven per cent of people admitted that sunshine encourages them to search for a new job.
From April next year, all workers will be entitled to 5.6 weeks of paid holiday if they work five days a week - up from the current level of 4.8 weeks.
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