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Only in dreams  

It's (beyond) fair to get angry with your partner for cheating on you, unless the two-timer is caught in flagrante in your dreams. As one writer discovered, however, infidelity dreams can lead to real-life distress (as we've reported) — especially if they become a recurring experience. But experts say infidelity dreams generally have more to do with your personal issues and stressors than what's going on in your relationship. And you can use a nightmare treatment technique, called Image Rehearsal Therapy, to edit the adultery out of your dreams. [New York

Weighed down and out cold 

Weighted blankets have been used as an anti-anxiety tool for kids with Autism Spectrum Disorders and Sensory Processing Disorders for decades. But they're having a mainstream moment. And they're being touted as, among other things, an insomnia fix (but not a clinically validated one so far). So one writer-slash-insomniac tested out the weigh-your-body-to-sleep method. Her verdict? It's worth a shot — but probably not worth the $100 price tag (on hers). "But really," she wrote, "I'd just recommend any form of stress relief ... even if that just means noticing those "I'm going to be up forever" thoughts." [Glamour]

What's the deal with blankets? 

Most people don't enjoy sweating the night away. But most of us still crawl underneath the covers come bedtime, even during the summer. And this ritual isn't culturally specific: Anthropological research on equatorial societies revealed that only nomadic foragers regularly slept sans blankets. Everyone else fashioned some sort of blanket for themselves. Why are blankets so ubiquitous? Well, there may be a few reasons. For one thing, we learn to associate bedtime with blankets from birth — they're "transitional objects." Not to mention, we lose the ability to regulate body temperature during REM sleep, leaving us dependent on external heat sources. [Atlas Obscura]

Have you found the secret to a good night's sleep?

Seriously, The Guardian wants to know about the small changes people have made to improve shuteye. So, if you ditched blue light or discovered sleep masks or made any kind of tweak that helped you conquer sleeplessness, go forth and share your knowledge. [The Guardian]

Parents just don't understand (about teens' circadian rhythms)

Many studies have touted the health-and-performance benefits of bumping back school start times for teenagers, on account of their delayed circadian rhythms. But about half of the 554 parents who participated in a University of Michigan survey on the issue said they opposed later school start times. The survey also suggested that many parents underestimate the amount of sleep teens need (hint: seven hours won't cut it.) [University of Michigan]