A new study suggests that one night of sleep deprivation leads to an increase in men's perceptions of both women's interest in and intent to have sex.
Results show that when they were well-rested, both men and women rated the sexual intent of women as significantly lower than that of men. However, following one night of sleep deprivation, men's rating of women's sexual intent and interest increased significantly, to the extent that women were no longer seen as having lower sexual intent than men. Sleep deprivation had no significant effect on variables related to commitment.
According to the authors, sleep deprivation is known to cause frontal lobe impairment, which has a negative effect on decision-making variables such as risk-taking sensitivity, moral reasoning and inhibition. However, this is the first study to investigate the impact of sleep deprivation on romantic and sexual decision-making.
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