Why does one cup of coffee make me sleepy? [more inside]
posted by divabat on Nov 18, 2009 - 14 answers

Can a couple of cups of tea make me totally anxious, and totally unable to sleep? Even two days later? [more inside]
posted by sully75 on Dec 31, 2008 - 22 answers

I drank some coffee at 9 pm, and at 2 am, I am still wide awake. Anyone have tips for neutralizing caffeine or speeding it out of my system? Or for falling asleep while I'm still wired? [more inside]
posted by salvia on May 14, 2008 - 15 answers

Could it be that a little bit of coffee before bedtime is actually helping me sleep better? [more inside]
posted by RockyChrysler on May 19, 2006 - 17 answers

Two caffeine-related questions regarding its effect on taste and sleep. [more inside]
posted by Gyan on Mar 7, 2005 - 19 answers