waking up on the wrong side of bed

Inexplicably cranky morning

Waking up on the wrong side of bed describes starting the day in a bad mood for no apparent reason.

The phrase implies that the grumpiness or irritability is inexplicable—there's no specific cause, just a general state of crankiness from the moment of waking.

Don't mind her, she just woke up on the wrong side of bed this morning.

The expression likely derives from old superstitions about the left side being unlucky.

Related

cranky pants · insomnia · grumpiness · bad hair day · frustration · coffee · gloominess · Murphy's Law · impatience · cold shoulder · mood swings · exasperation · snooze button · sarcasm · nightmares · melancholy · miscommunication · oversleeping

Opposites
morning mood state

waking up on the wrong side of bedbright-eyed and bushy-tailed

Alert and eager

in good spirits · cheerful · chipper · sunny disposition · happy as a clam

day's trajectory

waking up on the wrong side of bedhitting the ground running

Starting work without delay

lucky day · smooth sailing

dispositional state

waking up on the wrong side of bedin good spirits

Emotionally buoyant, content

sunny disposition · good-humored · cheerful · pleasant · agreeable

Family

waking, awakening, wrongful, wrongness, wrongs, wronged

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated G