Bright light therapy for winter depression--is phase advancing beneficial?
Chronobiol. Int. 2004 Jul 1; 21 (4-5): 759-75.
The relationship between insomnia and body temperatures.
Sleep Med Rev. 2008 Aug 1; 12 (4): 307-17.
The treatment of early-morning awakening insomnia with 2 evenings of bright light.
Sleep. 2005 May 1; 28 (5): 616-23.