How Sleep Inertia Causes Grogginess 4 Ways To Beat It
Here’s what research has revealed about the cause of sleep inertia and how to keep it at bay. Sleep researchers aren’t totally sure what causes or intensifies sleep inertia, but they suspect it has something to do with the body’s circadian rhythm, also known as our internal clock. In one small study on emergency workers2 who need to be “on” as soon as they wake up, the effect of sleep inertia was tested throughout the night....