According to a new study, women start losing sleep relative to men when they're breastfeeding — and they never catch up. Could this be a hidden factor behind the wage gap? »2/15/11 3:16pm 2/15/11 3:16pm
What, according to a researcher in a major new study, "contribute[s] to continuing gender inequality in earnings and career advancement"? That working mothers are more than twice as likely as fathers to interrupt sleep for childcare purposes. »12/30/10 2:30pm 12/30/10 2:30pm
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