RT Journal
A1 Merrigan JM, Buysse DJ, Bird JC, Livingston EH
T1 INsomnia
JF JAMA
JO JAMA
YR 2013
FD February 20
VO 309
IS 7
SP 733
OP 733
DO 10.1001/jama.2013.524
UL http://dx.doi.org/10.1001/jama.2013.524
AB 
Insomnia is a sleep disorder experienced by 12% to 20% of the general adult population. Insomnia is an inability to fall asleep and/or frequent awakenings with an inability to return to sleep. It is associated with daytime symptoms such as irritability and fatigue. The February 20, 2013, issue of JAMA includes an article about insomnia.