Falling asleep over your textbook? Learn biological and physical hacks to boost your alertness and study effectively through the night.
Alertness Hacks
1. **Change Your Posture**: Never study in bed. Sit on a straight-backed chair with bright, overhead lighting.
2. **Cold Water Shock**: Splash freezing water on your face every 45 minutes to trigger your body's natural adrenaline response.
3. **Physical Micro-Breaks**: Stand up and do 10 jumping jacks the moment you feel your eyelids getting heavy.