Why your cat is making you crazy

<a href="http://news.ycombinator.com/item?id=3572836" rel="nofollow">http://news.ycombinator.com/item?id=3572836</a><p><a href="http://news.ycombinator.com/item?id=3573186" rel="nofollow">http://news.ycombinator.com/item?id=3573186</a><p><a href="http://news.ycombinator.com/item?id=3573447" rel="nofollow">http://news.ycombinator.com/item?id=3573447</a><p><a href="http://news.ycombinator.com/item?id=3573694" rel="nofollow">http://news.ycombinator.com/item?id=3573694</a> &#60;- Lots of comments<p><a href="http://news.ycombinator.com/item?id=3579009" rel="nofollow">http://news.ycombinator.com/item?id=3579009</a><p><a href="http://news.ycombinator.com/item?id=3604253" rel="nofollow">http://news.ycombinator.com/item?id=3604253</a><p><a href="http://news.ycombinator.com/item?id=3605611" rel="nofollow">http://news.ycombinator.com/item?id=3605611</a><p><a href="http://news.ycombinator.com/item?id=3612278" rel="nofollow">http://news.ycombinator.com/item?id=3612278</a><p><a href="http://news.ycombinator.com/item?id=3644133" rel="nofollow">http://news.ycombinator.com/item?id=3644133</a><p><a href="http://news.ycombinator.com/item?id=3724433" rel="nofollow">http://news.ycombinator.com/item?id=3724433</a>