life pro tips
LPT: If you need to keep yourself awake, try keeping one arm raised in the air; it takes concentration to do it, and the jolt from it falling should rouse you should you drift off
LPT: If you need to keep yourself awake, try keeping one arm raised in the air; it takes concentration to do it, and the jolt from it falling should rouse you should you drift off * /r/LifeProTips
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