Have you ever tried box breathing? This technique consists of inhaling for four seconds, holding your breath for four seconds, exhaling for four seconds and then holding for another four seconds before inhaling again and restarting the cycle, says breathwork coach Stuart Sandeman. Stuart says box breathing is best used before you do something stressful or an event that might cause you to feel anxious. Tap the link in @BBCNews’s bio to find out why the last hold is most important. #BoxBreathing #Stress #BBCNews