Thirty seconds is plenty. Going longer doesn't help more.
Skip this one if you're already exhausted. Cold makes tired feel sharper, but it can deepen the fatigue underneath.
What to expect:
Less brain fog. Lower stress response. Easier to retain material in your next study round.
#Biohacking #PeakPerformance #Optimization #Productivity #Focus #Efficiency #Wellness #Lifestyle #MentalClarity #StressManagement (2/2)