Sleep Inertia – Can we avoid it ?

Even after a long and well rested night, we may be groggy, disoriented,
not fully awake during a more or less long period.
It is sleep inertia.
As a pilot, you can sometimes experience sleep inertia after a nap in the cockpit
or a rest in the crew rest compartment.
This video explains “why” the sleep inertia may occur,
“how it works” and what could be its effects on your performance.