Senior woman yawning in a red shirt, eyes closed and mouth open, closeup portrait on plain white background, expression shows fatigue and tiredness, concept for stress burnout and mental health

woman senior yawning fatigue tiredness red closeup portrait eyes expression female adult headshot plain white background mouth open sleepiness drowsy exhausted stress burnout mental health illness strain overwhelm frustration rest relax breath emotion feeling calm boredom tired yawn hygiene vulnerability relaxation