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10 ways to feel awake when sleep deprived without caffeine
How to stay awake without caffeine is a common question for many people because they are afraid that caffeine can keep them awake at night. In fact, there are many ways to stay awake when you are sleep deprived that you can apply and do not use caffeine or other stimulants. Below are 10 simple ways to help you solve the question of how to stay awake when sleep deprived without using caffeine.
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