Caffeine Doesn't Give You Energy | An Animated Short
Psychology Lab
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Caffeine Doesn't Give You Energy | An Animated Short
2 просмотра · 9 дн. назад
Psychology Lab
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2 просмотра · 9 дн. назад
He started every morning the same way. One cup — and he felt 100%.
But caffeine doesn't give you energy. It hides how tired you are.
Every hour you're awake, your brain builds up a chemical called adenosine — the "tired" signal. Caffeine fits into the same receptors and blocks that signal for a while. The tiredness doesn't disappear. It keeps piling up in the background… and when the caffeine wears off, it all hits at once.
What the science says:
• Caffeine blocks adenosine receptors — it masks fatigue, it doesn't remove it.
• On average, it takes about 5 hours for half of the caffeine to leave your body (it varies a lot from person to person).
• Caffeine even 6 hours before bed can noticeably disrupt sleep (Drake et al., 2013).
• With daily use the brain adapts, so the same cup starts doing less.
• Cutting back can bring headaches and fatigue for the first few days — then it gets easier.
Tip: try having your last cup at least 6–8 hours before bed.
0:00 Every morning, the same
0:14 "Not today, buddy"
0:24 What caffeine really does
0:34 The afternoon crash
0:48 Too tired, too wired
1:07 Day 1
1:24 Day 14
1:41 The truth about caffeine
How many cups did you need today? Tell me in the comments ☕
This video is for educational purposes only and is not medical advice.
#caffeine #psychology #coffee #sleep #animation