Further Reading

J. Cutraro. “Body clocks.” Science News for Kids. Jan. 8, 2009.

J. Cutraro. “Hey batter, wake up!Science News for Kids. Jan. 8, 2009.

S. Gaidos. “Making light of sleep.Science News for Kids. March 2, 2010.

A.L. Mascarelli. “Respecting the body’s clocks.” Science News for Kids. July 11, 2013.

S. Ornes. “Jet lag slows hamster brains.Science News for Kids. Nov. 29, 2010.

E. Sohn. “Getting enough sleep.Science News for Kids. Sept. 3, 2006.