Why you feel energised after little sleep: How your brain tricks you
dharasuta
Wednesday, November 19, 2025
Waking up surprisingly alert after minimal sleep isn't true energy, but your brain's compensation. Stress hormones like cortisol and adrenaline create a temporary boost, masking underlying exhaustion. This false alertness, often amplified by your body clock, leads to a significant midday crash. While you might feel productive, performance suffers with increased errors. Prioritise genuine rest for lasting well-being.
