Hacker News on 22 February 2012

• The myth of the eight-hour sleep
• "It's A Brick" - Tesla Motors' Devastating Design Problem
• EFF Wins Protection for Time Zone Database
• Remove Google Search History Before New Privacy Policy Takes Effect
• Hack your way through Stripe's Capture the Flag
• Cogs bad
• How Exercise Fuels the Brain
• Sublime Text 2 Build 2181
• Flash For Linux Will Only Be Available For Chrome
• Rapportive (YC S10) Has Been Acquired By LinkedIn