“Being a morning lark or a night owl is something encoded in people’s genes and we here made substantial progress to uncover the molecular basis for that,” explains Dr. Kramer.
Is that good or bad? 
The Trouble waking up in the morning? Blame genetics. by Randomness Redefined, unless otherwise expressly stated, is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License.
