8:22Long-form

Why Do We Have To Sleep?

United StatesPublished September 28, 2015

Views 3.39M  |  Likes 73.0K  |  Comments 4.46K
Views#2,212,964Global
Views#467,334United States

Channel

Be SmartBe Smart
5.89M subs•566 videos•Mar 2012

Ranked #2,212,964 globally by view count, this video has accumulated 3.39M views since it was published on Sep 28, 2015.

Views, likes & comments over time

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Views gained (weekly) ¡ 6 mo

Likes gained (weekly) ¡ 6 mo