It’s 2 a.m., and you’ve been tossing and turning for hours trying to get to sleep. As morning draws near, you dread the next day’s exhaustion, grogginess, and potential headache. If that sounds familiar, you are not alone; insomnia and sleeplessness are two increasingly common disruptions faced by adults in the U.S. The day-after effects of a sleepless night – whether you stayed up on purpose or because you couldn’t sleep – are well-documented. Mood changes, trouble with thinking and...