What Affects Your Heart Rate While Sleeping?

Heart rate can be a fickle thing, even when you’re asleep. From the temperature of the air to your body size and emotions, tons of things can cause your heart to beat faster or slower. But what happens to your sleeping heart rate when other factors come into play? We all know how important it is to catch some good Zzz’s, so read on to find out all about the different things that can have an impact on your heart rate while sleeping, from spine-chilling dreams to copious amounts of coffee.

Source: What Affects Your Heart Rate While Sleeping? — Withings