CNN: Couples are having to spend more time together under enormously stressful circumstances during the coronavirus pandemic, and it’s affecting their ability to get enough sleep.

It’s not just the lack of physical boundaries during the day that is hurting a couple’s sleep cycles. Without the regimented schedule of a commute to and from the office, or dropping the kids off at school, people are embracing their more natural circadian rhythms. Those who prefer to stay up late or get up early can now fully embrace their inner morning lark or night owl, which can lead to sleep issues if a couple isn’t in sync.

That’s not surprising, according to a 2016 study published in the Journal of Biological and Medical Rhythm Research, which found that couples who don’t complement each other’s sleeping patterns have more relationship conflict, lesser sexual activity and poorer relationship satisfaction.

Get the full story at cnn.com.