Waking up with a headache or a dry mouth is pretty common after a big night out. 

Most people expect the physical symptoms of a hangover after drinking a little too much but have you ever woken up after a big night feeling anxious?

Researchers estimate about 1 in 5 people experience anxiety as part of their hangovers and that number is expected to rise.

On today's episode of the summer hack podcast we find out why.