Pro tip: Exhale completely before each round. Leftover air in your lungs makes it less effective. Try this over 3 exam days and track the pattern.
What to expect: Lower heart rate. Clearer recall. Calm you can actually feel. And data to prove it. #VagusNerve #Biohacking #NervousSystem #ExamStress #StudyHacks #Breathwork #HeartRateVariability #PeakPerformance #FocusMode #StressRelief (2/2)