The report said that a hangover can lead to “poorer concentration and focus, decreased memory and reduced reaction times.”

Here is how long Road Respect suggests you should leave after drinking before driving again:

Large glass of wine (13.5 per cent)

– One drink – 3.5 hours

-Two drinks – 7 hours

-Three drinks – 10.5 hours

-Four drinks – 14 hours

-Five drinks – 17.5 hours

Pint (four per cent)

-One drink – 2.5 hours

-Two drinks – 5 hours

-Three drinks – 7.5 hours

-Four drinks – 10 hours

-Five drinks – 12.5 hours

Safe driving, from Britannia!