So waking up grumpy is ok? It seems having bad moods is actually good for you. It helps you focus on things and think carefully about them.
From the linked article:
“The University of New South Wales researcher says a grumpy person can cope with more demanding situations than a happy one because of the way the brain promotes information processing strategies.”
Of course, if your grumpiness turns into weeks of depression, it’s time to talk to your doctor.
Click title for link at the BBC.