睡眠不足で一日を乗り切る方法
What Happens If We Don't Sleep? # shorts
What Happens if You Don’t Sleep?
8 時間の睡眠は必要ではない理由を医師が解説します。
What to do when you CAN'T sleep
😵💫 55 HOURS OF NO SLEEP
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😴 眠れない5つの理由!#睡眠 #睡眠 #不眠症 #健康