@article{doi:10.1001/jama.1939.02800480071032,
title = {SLeep and wakefulness as alternating phases in the cycle of existence},
journal = {Journal of the American Medical Association},
volume = {113},
number = {23},
pages = {2086},
year = {1939},
doi = {10.1001/jama.1939.02800480071032},
URL = { + http://dx.doi.org/10.1001/jama.1939.02800480071032},
eprint = {/data/Journals/JAMA/7405/jama_113_23_032.pdf}
}