This would be considered a blackout I believe, when an individual consumes too much alcohol resulting in a blackout and memory loss.
That would be considered kneeling at the waist and stretching
Long-term activation of your body’s stress response system, along with prolonged exposure to cortisol and other stress hormones, puts you at risk for health troubles. These health issues include digestive problems, anxiety, headaches, depression, sleep problems, weight gain, memory and concentration issues, high blood pressure, heart disease and strokes. Being stressed also lowers your threshold for pain, causing more extreme discomfort from the previous affects.
What i normally do is To start, stand with your feet hip-width apart, and hold a 5- or 10-pound weight in your left hand. Bend sideways to the left, while squeezing your waist on the left side while looking forward (keeping your neck in a neutral position). Use your right hand to hold up your toothbrush, and then switch after a minute.