alertness
US /ə'lɜ:tnəs/
・UK /ə'lɜ:tnəs/
B1 中級
n. (u.)不可數名詞警戒：機敏
Scientific studies have suggested that drinking coffee can aid your alertness
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誰能告訴我為何早上永遠也起不來！ (Why Is Waking Up So Hard?)
04:15
- A 2013 study in PlosOne describes it as, "a temporary period of reduced alertness and impaired performance."
2013 年 PlosOne 研究形容這段短暫時間「警覺心下降、表現不如往常」
- Scientific symptoms of sleep inertia are poor memory and reaction time, inability to perform basic math and the suffering of alertness or attention.
睡眠遲鈍症狀包括記憶力差、反應遲鈍、無法做基本算數、無法提高警覺及集中。
早上不喝咖啡也能精神百倍？七個早晨醒腦小撇步(7 Tips To Wake Up Without Coffee)
03:08
- After all, it stimulates your central nervous system, elevates your mood, and increases your alertness.
要知道，咖啡能刺激你的中樞神經讓心情變好，還能提升反應力。
- elevates your mood, and increases your alertness.
讓心情變好，還能提升反應力
The Scientific Power of Naps
01:54
- where workers can pay to have a brief lunchtime nap on a daybed to increase alertness at work.
勞工可以付費在那獲得短暫的午睡時光，增加工作時的敏捷度。
- to increase alertness at work.
去增加工作時的警覺性。
午後總是昏昏欲睡嗎？教你不用喝咖啡也可以戰勝瞌睡蟲的祕訣！ (The SECRET to beating the afternoon slump (It’s NOT Coffee))
03:52
- I'm going to share with you my favorite techniques for powering past that sluggish feeling and improving your alertness, focus and mood.
我將與你分享我最喜歡的技巧，幫助你克服疲憊感，提高警覺性、注意力和情緒。
- Surprisingly, studies show that chew gum improves alertness.
令人驚訝的是，研究表明，咀嚼口香糖能提高警覺性。
咖啡可以改善你的午睡! (Coffee Can Improve Your Nap!)
02:11
- Research shows that a short 20 to 30 minute nap can improve alertness, memory, boost productivity and all kinds of good stuff.
研究顯示小睡20到30分鐘可以提升警覺性、記憶、工作效率及其他益處
腎上腺疲勞綜合徵的神經內分泌基礎》內容預覽 (Preview of The Neuroendocrine Basis of Adrenal Fatigue Syndrome)
06:05
- They can include fear, anxiety, alertness, memory changes and REM sleep dysregulation.
包括了恐懼、焦慮、警覺、記憶異常以及快速動眼睡眠週期失調