Two-thirds of men said they needed less sleep than their female partners.
A new survey has found women are getting more sleep than men.
Women get an average of 8 hours a night, compared to 7 hours by men.
Two-thirds of men said they needed less sleep than their female partners, and they tended to get up earlier.
The survey of 2,000 adults found 63% of couples said sleep had caused 'tensions' in their relationship, with one in 10 having separate bedrooms.