Not replacing an empty toilet roll has been named as the most annoying bathroom habit.
34% say not replacing a use loo roll is the worst bathroom sin.
21% say leaving hair in the drain is the most annoying behaviour, followed closely by not putting the toilet seat down at 20%.
A new survey by Plumbworld, has found we spend three-and-a-half days a year in the bath or shower, and a day-and-a-half waiting to use the bathroom.
Those aged 35 to 44, spend the most time washing themselves with 60% showering at least once a day and spending an average of 18 minutes a day.
18 to 34 year olds spend an average of 17 minutes taking a shower or bath each day, with 60% showering at least once a day.
43% of men surveyed said they thought their partners spent longer in the bathroom than they did, according to inews.co.uk.