Around 9% of ambulance staff in Yorkshire took time off work because of stress in the last financial year, according to the GMB union.
The figures come from a series of Freedom of Information requests sent by GMB to all ten Ambulance Trusts in England.
It shows that Yorkshire ambulance staff were forced to take a total of more than 7,023 sick days due to stress last year.
Across the country, one in eight workers across England took a total of 80,000 stress-related days off in 2016-17, added the GMB union.
GMB is campaigning for the paramedic retirement age to be equalised with other physically demanding front-line emergency service roles, such as police officers and firefighters who are able to retire at 60.
Kevin Brandstatter, GMB National Officer, said:
“They are consistently overworked, underpaid and expected to do incredibly difficult jobs – such as dealing with the aftermath of the Grenfell disaster or Manchester bombings – without adequate staff or resources."
In response, a Department for Health spokesman said: