【為什么你總是覺得累】Why are you always tired?

- Short?hours?of?sleep / 睡眠時間不足

- Lack of physical avtivity and a poor diet / 缺乏運動和不良飲食

People who exercise regularly report sleeping better.

經(jīng)常鍛煉的人睡得更好。

- Reliance on coffee / 對咖啡的依賴

Caffeine blocks adenosine in your brain, which normally accumulates through the day and makes you sleepy at night.

咖啡因會阻斷大腦中的腺苷，而腺苷通常會在白天積累，使得晚上變困。

Consuming coffee or energy drinks less than 6 hours before bed can ultimately affect your sleep quality.

睡前不到6小時喝咖啡或能量飲料最終會影響你的睡眠質(zhì)量。

- ?Not?staying?hydrated / 未保持水分充足

- ?Drinking before bedtime / 睡前飲酒

- ?Irregular sleep schedule / 睡眠時間不規(guī)律

- ?Anxiety / 焦慮

Fatigue is one of the main symptoms of generalized anxiety disorder.

疲勞是廣泛性焦慮癥的主要癥狀之一。

- Social jet lag / 社交時差